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It was this flexibility, characteristic of the Sanatana Dharma, that preserved it through so many ages, when other ancient practices perished. Till date every adherent of Sanatana Dharma, falls back on the Vedas, compiled by Vedavyasa for resolving any points of contention. Thus came into being the saying<blockquote>व्यासोच्छिष्टं जगत् सर्वम् । vyāsocchiṣṭaṁ jagat sarvam ।</blockquote>On these Shrutis the whole fabric of Vaidika Dharma or Sanatana Dharma, the religion of the Vedas, as it is truly named, is built. They propound a system by the mastery of which all the energies which vitalize the Universe and nature may be controlled, at the direction of Isvara (Absolute Consciousness).<ref name=":022" />

It was this flexibility, characteristic of the Sanatana Dharma, that preserved it through so many ages, when other ancient practices perished. Till date every adherent of Sanatana Dharma, falls back on the Vedas, compiled by Vedavyasa for resolving any points of contention. Thus came into being the saying<blockquote>व्यासोच्छिष्टं जगत् सर्वम् । vyāsocchiṣṭaṁ jagat sarvam ।</blockquote>On these Shrutis the whole fabric of Vaidika Dharma or Sanatana Dharma, the religion of the Vedas, as it is truly named, is built. They propound a system by the mastery of which all the energies which vitalize the Universe and nature may be controlled, at the direction of Isvara (Absolute Consciousness).<ref name=":022" />

==Tattvajnana in Sanatana Dharma==

==Siddhantas in Sanatana Dharma==

The science of ancient [[Bharatavarsha (भरतवर्षम्)|Bharatavarsha]] was contained in the [[Shad Vedangas (षड्वेदाङ्गानि)|Shad Vedangas]], the six angas (limbs or parts) while its theosophical ideas were given by [[Vedanta (वेदान्तः)|Vedanta]] and [[Shad Darshanas (षड्दर्शनानि)|Shad Darshanas]]. All philosophies are designed to lead man to the One Science, and One Wisdom, which saw One Self as Real and all else as unreal. Unity of all knowledge was the core concept with no distinction between science, philosophy and religion.<ref name=":022" />

The science of ancient [[Bharatavarsha (भरतवर्षम्)|Bharatavarsha]] was contained in the [[Shad Vedangas (षड्वेदाङ्गानि)|Shad Vedangas]], the six angas (limbs or parts) while its theosophical ideas were given by [[Vedanta (वेदान्तः)|Vedanta]] and [[Shad Darshanas (षड्दर्शनानि)|Shad Darshanas]]. All philosophies are designed to lead man to the One Science, and One Wisdom, which saw One Self as Real and all else as unreal. Unity of all knowledge was the core concept with no distinction between science, philosophy and religion.<ref name=":022" />

The following principles are unique and most accepted by the majority of people who follow Sanatana-dharma, and are also referenced in the Vedic texts. Beyond these, there are various schools of thought, which have further developments in their own outlook and philosophy, such as the Shaivites, Vaishnavas, Shaktas, Brahmanandis, Tantrics, and so on. These concepts unique, ancient distinguishing Hinduism among many faiths constitute the dharmika tattvajnana (धार्मिकतत्वज्ञानम्) which explain the integral unity of Sanatana Dharma.  

The following principles are unique, distinctive features, most accepted by the majority of people who follow Sanatana-dharma, and are also referenced in the Vedic texts. Beyond these, there are various schools of thought, which have further developments in their own outlook and philosophy, such as the Shaivites, Vaishnavas, Shaktas, Brahmanandis, Tantrics, and so on as an extension to the basic principles of Sanatana Dharma. These concepts unique and ancient, which mark out Hinduism among many other faiths, constitute the dharmika tattvajnana (धार्मिकतत्वज्ञानम्) explaining the integral unity of Sanatana Dharma.  

===एकम् सत् || One Supreme Being===

===एकम् सत् || One Supreme Being===

Sanatana Dharma's highest point of convergence is the [[Brahman (ब्रह्मन्)|Brahman]] or the Supreme Being with exceptionally absolute nature. With no beginning or end, the all in all, the unlimited Absolute Truth, who can expand into many forms is the Supreme Being. In this regard, the RigVeda (1.164.46) says<blockquote>एकम् सत् विप्रह् बहुध वदन्ति || ekam sat viprah bahudha vadanti ||<ref>Rig Veda ([http://vedicheritage.gov.in/samhitas/rigveda/shakala-samhita/rigveda-shakala-samhitas-mandal-01-sukta-164/ Mandala 1 Sukta 164])</ref></blockquote>Though sages may call Him by different names (such as Krishna, Rama, Paramatma, etc.) there is but one Absolute Truth (Satya), or The One Existence (Brahman) which is source and foundation of everything. Vedas declare the triple nature of Ishvara (called variously as Brahman, Paramatma, Parameshvara, Supreme etc) to be <blockquote>Sat-Chit-Ananda (सत्-चित्-आनन्द) </blockquote><blockquote>Satyam-Jnanam-Anantam Brahma सत्यंज्ञानमनन्तं ब्रह्मा (Taittriya Upanishad 2.1.1)</blockquote>He is the form of eternal knowledge, universal truth and bliss. He is supreme, full of beauty, knowledge, is all-powerful and all-pervading. He is also known by His three main features: namely '''[[Brahman (ब्रह्मन्)|Brahman]]''', the all-pervading, impersonal spiritual force or effulgence; the '''Paramatma''', the localized expansion known as the Super Consciousness which accompanies every individual soul in the heart of everyone; and then '''Bhagavan''', the Supreme Personality and form of God. The goal to be achieved by every human being and Concept of God as the ultimate goal are the foundational aspects of Indian theosophical views.<ref name=":022" />

Sanatana Dharma's highest point of convergence is the [[Brahman (ब्रह्मन्)|Brahman]] or the Supreme Being with exceptionally absolute nature. With no beginning or end, the all in all, the unlimited Absolute Truth, who can expand into many forms is the Supreme Being. In this regard, the RigVeda (1.164.46) says<blockquote>एकम् सत् विप्रह् बहुध वदन्ति || ekam sat viprah bahudha vadanti ||<ref>Rig Veda ([http://vedicheritage.gov.in/samhitas/rigveda/shakala-samhita/rigveda-shakala-samhitas-mandal-01-sukta-164/ Mandala 1 Sukta 164])</ref></blockquote>Though sages may call Him by different names (such as Krishna, Rama, Paramatma, etc.) there is but one Absolute Truth (Satya), or The One Existence (Brahman) which is source and foundation of everything. Vedas declare the triple nature of Ishvara (called variously as Brahman, Paramatma, Parameshvara, Supreme etc) to be <blockquote>Sat-Chit-Ananda (सत्-चित्-आनन्द) </blockquote><blockquote>Satyam-Jnanam-Anantam Brahma सत्यंज्ञानमनन्तं ब्रह्मा (Taittriya Upanishad 2.1.1)</blockquote>It is the form of eternal knowledge, universal truth and bliss. Also referred to as He, He is supreme, full of beauty, knowledge, is all-powerful and all-pervading. He is also known by His three main features: namely '''[[Brahman (ब्रह्मन्)|Brahman]]''', the all-pervading, impersonal spiritual force or effulgence; the '''Paramatma''', the localized expansion known as the Super Consciousness which accompanies every individual soul in the heart of everyone; and then '''Bhagavan''', the Supreme Personality and form of God. The goal to be achieved by every human being and Concept of God as the ultimate goal are the foundational aspects of Indian theosophical views.<ref name=":022" />

Kathopanishad clearly explains the attributes and nature of the Brahman as follows,<blockquote>अशब्दमस्पर्शमरूपमव्ययं तथाऽरसं नित्यमगन्धवच्च यत् ।</blockquote><blockquote>अनाद्यनन्तं महतः परं ध्रुवं निचाय्य तन्मृत्युमुखात् प्रमुच्यते ॥ १५ ॥ (Kath. Upan. 1.3.15)</blockquote><blockquote>aśabdamasparśamarūpamavyayaṁ tathā'rasaṁ nityamagandhavacca yat ।</blockquote><blockquote>anādyanantaṁ mahataḥ paraṁ dhruvaṁ nicāyya tanmr̥tyumukhāt pramucyatē ॥ 15 ॥ (Kath. Upan. 1.3.15)</blockquote>Meaning : Having perceived (through meditation) that (Supreme Paramatman) which is always soundless, touchless, colourlesss, imperishable, tasteless, odourless, beginningless and endless and higher than the great (Jivatma), one gets released from the clutches of death.<ref name=":03">N. S. Ananta Rangacharya (2003) ''Principal Upanishads (Isa, Kena, Katha, Prasna, Mundaka, Mandookya, Taittiriya, Mahanarayana, Svetasvatara) Volume 1.'' Bangalore : Sri Rama Printers</ref>

Kathopanishad clearly explains the attributes and nature of the Brahman as follows,<blockquote>अशब्दमस्पर्शमरूपमव्ययं तथाऽरसं नित्यमगन्धवच्च यत् ।</blockquote><blockquote>अनाद्यनन्तं महतः परं ध्रुवं निचाय्य तन्मृत्युमुखात् प्रमुच्यते ॥ १५ ॥ (Kath. Upan. 1.3.15)</blockquote><blockquote>aśabdamasparśamarūpamavyayaṁ tathā'rasaṁ nityamagandhavacca yat ।</blockquote><blockquote>anādyanantaṁ mahataḥ paraṁ dhruvaṁ nicāyya tanmr̥tyumukhāt pramucyatē ॥ 15 ॥ (Kath. Upan. 1.3.15)</blockquote>Meaning : Having perceived (through meditation) that (Supreme Paramatman) which is always soundless, touchless, colourlesss, imperishable, tasteless, odourless, beginningless and endless and higher than the great (Jivatma), one gets released from the clutches of death.<ref name=":03">N. S. Ananta Rangacharya (2003) ''Principal Upanishads (Isa, Kena, Katha, Prasna, Mundaka, Mandookya, Taittiriya, Mahanarayana, Svetasvatara) Volume 1.'' Bangalore : Sri Rama Printers</ref>

===जीवात्मा || Jivatma===

===जीवात्मा || Jivatma===

In Shruti and Smrti, in Purana and Itihasa, the Self in man is declared to be of the nature of Brahman. The Jivatma is Brahman, as a seed is to the tree, and remains a wanderer in Samsara till he realizes his true Self. Shvetashvatara Upanishad says thus<blockquote>अङ्गुष्ठमात्रः पुरुषोऽन्तरात्मा सदा जनानां हृदये सन्निविष्टः ।(Shve. Upan. 3.13)<ref>Shvetashvatara Upanishad ([https://sa.wikisource.org/wiki/%E0%A4%B6%E0%A5%8D%E0%A4%B5%E0%A5%87%E0%A4%A4%E0%A4%BE%E0%A4%B6%E0%A5%8D%E0%A4%B5%E0%A4%A4%E0%A4%B0%E0%A5%8B%E0%A4%AA%E0%A4%A8%E0%A4%BF%E0%A4%B7%E0%A4%A4%E0%A5%8D/%E0%A4%A4%E0%A5%83%E0%A4%A4%E0%A5%80%E0%A4%AF%E0%A4%83_%E0%A4%85%E0%A4%A7%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%AF%E0%A4%83 Adhyaya 3])</ref> </blockquote>The measure of a thumb, the Purusha, the Inner Self of all, ie ever residing in the heart of men. Embodied in a form ([[Upadhi (उपाधिः)|Upadhi]]) (casting off the wornout ones), experiencing and evolving through it, reaps his reward in the invisible worlds. Three-fold is his nature - Iccha (Will), Jnana (Wisdom) and Kriya (Action) the laws of which cover the making of Karma for the Jivatma. He goes through the three stages of the evolution of Manas : subjection to Kama, conflict with Kama, triumph over Kama and development of higher intellectual powers. Once Buddhi or Intellect is evolved, Avidya disappears and he attains unity with Brahman.<ref name=":022" /><ref name=":03" />

In Shruti and Smrti, in Purana and Itihasa, the Self in man is declared to be of the nature of Brahman. The Jivatma is Brahman, as a seed is to the tree, and remains a wanderer in Samsara till he realizes his true Self. Shvetashvatara Upanishad says thus<blockquote>अङ्गुष्ठमात्रः पुरुषोऽन्तरात्मा सदा जनानां हृदये सन्निविष्टः ।(Shve. Upan. 3.13)<ref>Shvetashvatara Upanishad ([https://sa.wikisource.org/wiki/%E0%A4%B6%E0%A5%8D%E0%A4%B5%E0%A5%87%E0%A4%A4%E0%A4%BE%E0%A4%B6%E0%A5%8D%E0%A4%B5%E0%A4%A4%E0%A4%B0%E0%A5%8B%E0%A4%AA%E0%A4%A8%E0%A4%BF%E0%A4%B7%E0%A4%A4%E0%A5%8D/%E0%A4%A4%E0%A5%83%E0%A4%A4%E0%A5%80%E0%A4%AF%E0%A4%83_%E0%A4%85%E0%A4%A7%E0%A5%8D%E0%A4%AF%E0%A4%BE%E0%A4%AF%E0%A4%83 Adhyaya 3])</ref> </blockquote>The measure of a thumb, the Purusha, the Inner Self of all, ie ever residing in the heart of men. Embodied in a form ([[Upadhi (उपाधिः)|Upadhi]]) (casting off the wornout ones), experiencing and evolving through it, reaps his reward in the invisible worlds. Three-fold is his nature - Iccha (Will), Jnana (Wisdom) and Kriya (Action) the laws of which cover the making of Karma for the Jivatma. He goes through the three stages of the evolution of Manas : subjection to Kama, conflict with Kama, triumph over Kama and development of higher intellectual powers. Once Buddhi or Intellect is evolved, Avidya disappears and he attains unity with Brahman.<ref name=":022" /><ref name=":03" />

===कर्मसिद्धान्तम् || Karma Siddhanta===

===कर्मसिद्धान्तम् || Karma Siddhanta===

Karma literally means action, but every action belongs partly to the past, partly to the present, partly to the future, it has come to mean the sequence of events, the law of causes and effects. So Karma is not simply action, it inseparably includes the consequence of an action also. The Jivatma undergoes it’s own karma, by which each person must experience the results or consequences of his activities and creates his own destiny based on his thought, words and deeds. Hence all things are interlinked together indissolubly, woven, and interwoven inseparably; nothing occurs which is not linked to the past and to the future. As discussed previously, Jivatma is three-fold in nature consisting of Iccha, Jnana and Kriya (Will, Wisdom and Activity) which are expressed as Desire, Knowledge and Action in the lower world of upadhis, of forms and these three fashion a man's Karma, following a definite law. Desire is the key force directing a thought, which in turn determines an action in man. Brhadaranyakopanishad (also given in Shatapatha Brahmana 14.7.2) aptly summarizes it as follows<blockquote>काममय एवायं पुरुष इति स यथाकामो भवति तत्क्रतुर्भवति यत्क्रतुर्भवति तत्कर्म कुरुते यत्कर्म कुरुते तदभिसम्पद्यते ॥ ५ ॥ (Brha. Upan.4.4.5)</blockquote><blockquote>kāmamaya evāyaṁ puruṣa iti sa yathākāmo bhavati tatkraturbhavati yatkraturbhavati tatkarma kurute yatkarma kurute tadabhisampadyate ॥ 5 ॥</blockquote>''Man verily is desire-formed; as is his desire,so is his thought, as his thought is, so he does action, as his action is, so he attains.'' <ref name=":022" /> Shankaracharya comments on this saying "Desire is the root of the world". Thus, Karma siddhanta is based on three aspects '''Desires''' (which impel man towards attachment), '''Mind''' (the creative power makes a man's character),  '''Actions''' (circumstances are made by actions). Sri Ramana Maharshi in his Upadesa saram, very clearly explains that Karma is jada (insentient) thus,<blockquote>कर्तुराज्ञया प्राप्यते फलम् । कर्म किं परं कर्म तज्जडम् ॥ १॥</blockquote><blockquote>karturājñayā prāpyatē phalam । karma kiṁ paraṁ karma tajjaḍam ॥ 1॥ (Upad. Sara. 1)</blockquote>Meaning: ''By the command of karta (performer of Karma) the fruit of action is determined. So how is Karma supreme, for it is inanimate.''

Karma literally means action, but every action belongs partly to the past, partly to the present, partly to the future, it has come to mean the sequence of events, the law of causes and effects. So Karma is not simply action, it inseparably includes the consequence of an action also. The Jivatma undergoes it’s own karma, by which each person must experience the results or consequences of his activities and creates his own destiny based on his thought, words and deeds. Hence all things are interlinked together indissolubly, woven, and interwoven inseparably; nothing occurs which is not linked to the past and to the future. As discussed previously, Jivatma is three-fold in nature consisting of Iccha, Jnana and Kriya (Will, Wisdom and Activity) which are expressed as Desire, Knowledge and Action in the lower world of upadhis, of forms and these three fashion a man's Karma, following a definite law. Desire is the key force directing a thought, which in turn determines an action in man. Brhadaranyakopanishad (also given in Shatapatha Brahmana 14.7.2) aptly summarizes it as follows<blockquote>काममय एवायं पुरुष इति स यथाकामो भवति तत्क्रतुर्भवति यत्क्रतुर्भवति तत्कर्म कुरुते यत्कर्म कुरुते तदभिसम्पद्यते ॥ ५ ॥ (Brha. Upan.4.4.5)</blockquote><blockquote>kāmamaya evāyaṁ puruṣa iti sa yathākāmo bhavati tatkraturbhavati yatkraturbhavati tatkarma kurute yatkarma kurute tadabhisampadyate ॥ 5 ॥</blockquote>''Man verily is desire-formed; as is his desire,so is his thought, as his thought is, so he does action, as his action is, so he attains.'' <ref name=":022" /> Shankaracharya comments on this saying "Desire is the root of the world". Thus, Karma siddhanta is based on three aspects '''Desires''' (which impel man towards attachment), '''Mind''' (the creative power makes a man's character),  '''Actions''' (circumstances are made by actions). Sri Ramana Maharshi in his Upadesasaram, very clearly explains that Karma is jada (insentient) thus,<blockquote>कर्तुराज्ञया प्राप्यते फलम् । कर्म किं परं कर्म तज्जडम् ॥ १॥</blockquote><blockquote>karturājñayā prāpyatē phalam । karma kiṁ paraṁ karma tajjaḍam ॥ 1॥ (Upad. Sara. 1)</blockquote>Meaning: ''By the command of karta (performer of Karma) the fruit of action is determined. So how is Karma supreme, for it is inanimate.''

Karma differs from destiny in that Karma is not a final thing awaiting us, but is a constant becoming, in which future is not just shaped by the past but is also being modified by the present. Karma is said to be of three kinds - Prarabdha, Sanchita, Agami.

Karma differs from destiny in that Karma is not a final thing awaiting us, but is a constant becoming, in which future is not just shaped by the past but is also being modified by the present. Karma is said to be of three kinds - Prarabdha, Sanchita, Agami.

According to Brhdaranyaka Upanishad, Jivatma having become tranquil, wise, subdued, dispassionate, enduring and collected, he sees the Self in Self, in all, overcomes all papa, free from passion he comes a Brahman in the all-pervading the Brahmaloka.<blockquote>स वा एष महानज आत्माऽजरोऽमरोऽमृतोऽभयो ब्रह्माभयं वै ब्रह्माभय हि वै ब्रह्म भवति य एवं वेद ॥ २५ ॥ (Brhd. Upan. 4.4.25)<ref>Brhdaranyaka Upanishad ([https://sa.wikisource.org/wiki/%E0%A4%AC%E0%A5%83%E0%A4%B9%E0%A4%A6%E0%A4%BE%E0%A4%B0%E0%A4%A3%E0%A5%8D%E0%A4%AF%E0%A4%95_%E0%A4%89%E0%A4%AA%E0%A4%A8%E0%A4%BF%E0%A4%B7%E0%A4%A6%E0%A5%8D_4p Adhyaya 4 Brahmana 4])</ref></blockquote>So long as the mind is turned towards senses it finds misery, when it turns to understanding the Self, it  finds Bliss. Such a man is termed Mukta, and the state Moksha, who has reached the stage of liberation, with the Jnana of Self, free from the cycle of births and deaths, and may or may not be surrounded by the physical conditions.<ref name=":022" />

According to Brhdaranyaka Upanishad, Jivatma having become tranquil, wise, subdued, dispassionate, enduring and collected, he sees the Self in Self, in all, overcomes all papa, free from passion he comes a Brahman in the all-pervading the Brahmaloka.<blockquote>स वा एष महानज आत्माऽजरोऽमरोऽमृतोऽभयो ब्रह्माभयं वै ब्रह्माभय हि वै ब्रह्म भवति य एवं वेद ॥ २५ ॥ (Brhd. Upan. 4.4.25)<ref>Brhdaranyaka Upanishad ([https://sa.wikisource.org/wiki/%E0%A4%AC%E0%A5%83%E0%A4%B9%E0%A4%A6%E0%A4%BE%E0%A4%B0%E0%A4%A3%E0%A5%8D%E0%A4%AF%E0%A4%95_%E0%A4%89%E0%A4%AA%E0%A4%A8%E0%A4%BF%E0%A4%B7%E0%A4%A6%E0%A5%8D_4p Adhyaya 4 Brahmana 4])</ref></blockquote>So long as the mind is turned towards senses it finds misery, when it turns to understanding the Self, it  finds Bliss. Such a man is termed Mukta, and the state Moksha, who has reached the stage of liberation, with the Jnana of Self, free from the cycle of births and deaths, and may or may not be surrounded by the physical conditions.<ref name=":022" />

===वेदप्रमाणत्वम् ॥ The Authority of Vedas===

 

Texts like Bhagavadgita which have been given or spoken by Sri Krishna, considered as a Supreme Being, and others composed by seers in their deepest super conscious state in which they were able to give revelations of Universal Truths while in meditation, on the Supreme Being, form the spiritual core of Sanatana Dharma. This [[Bharatiya Samskrtika Parampara (भारतीयसांस्कृतिकपरम्परा)|Bharatiya Samskrtika Parampara]] or Vedic literature, along with other texts like Agamas and the practices congruent with them, form the basis of the Sanatana dharma. The Astika darshanas include the [[Shad Darshanas (षड्दर्शनानि)|Shad Darshanas]] which accept the authority of Vedas form the different theological bases of explaining about Atma, Brahman, Avidya, and Moksha which are exclusive features of Sanatana Dharma.

== Sanatana Dharma Vyavastha ==

The previous section is a brief summary of the siddhantas (theories) or mental processes on which Sanatana Dharma is based on. The present section deals with the course of action to be taken, the system of Karma (activities) that leads one on the path of Dharma, establishes him on the path of Jnana taking him to his goal of [[Nihshreyasa (निःश्रेयसम्)|Nihshreyasa]] and Moksha.  

 

===यज्ञाः ॥ Yajnas===

===यज्ञाः ॥ Yajnas===

Shrutis declare it, Smrtis inculcate it and the Shad Vedangas circle around the concept while Dharmashastras show by practice that the worlds are built and maintained by [[Yajna (यज्ञः)|Yajnas]]. Sanatana Dharma has incorporated and maintains that the yajnas pervade the whole life of man. That Srishti (Creation) began with Yajna is given by the following mantras of Brhdarnayakopanishad<blockquote>उषा वा अश्वस्य मेध्यस्य शिरः । uṣā vā aśvasya medhyasya śiraḥ । (Brhd. Upan. 1.1.1)</blockquote>Meaning : The dawn verily is the head of the yajna horse. Here the dawn is explained as the beginning of the day of Brahma, the day of creation.

Shrutis declare it, Smrtis inculcate it and the Shad Vedangas circle around the concept while Dharmashastras show by practice that the worlds are built and maintained by [[Yajna (यज्ञः)|Yajnas]]. Sanatana Dharma has incorporated and maintains that the yajnas pervade the whole life of man. That Srishti (Creation) began with Yajna is given by the following mantras of Brhdarnayakopanishad<blockquote>उषा वा अश्वस्य मेध्यस्य शिरः । uṣā vā aśvasya medhyasya śiraḥ । (Brhd. Upan. 1.1.1)</blockquote>Meaning : The dawn verily is the head of the yajna horse. Here the dawn is explained as the beginning of the day of Brahma, the day of creation.

The Shatapatha Brahmana, the Purusha sukta, Chandogya and other Upanishads, Manusmrti and Bhagavad Gita contain references of importance of Yajna in srishti. One of the fundamental concepts has been that of the ''''ऋृणम् (debts)''' owed by a person to the seers, devatas, pitrs, bhutas (manushya and other beings), which he paid off by Svadhyaya, by Yajnas, by having progeny, and by charity respectively. Yajnas also taught to see that man is a part of a great whole and related to all around him; and that as his own life was maintained by the sacrifice of other lives, so he must repay that debt by sacrificing to the Devatas in the fire and to men by charitable gifts as laid down in [[Panchamahayajnas (पञ्चमहायज्ञाः)|Panchamahayajnas]].<ref name=":022" /><ref name=":0" />

The Shatapatha Brahmana, the Purusha sukta, Chandogya and other Upanishads, Manusmrti and Bhagavad Gita contain references of importance of Yajna in srishti. One of the fundamental concepts has been that of the ''''ऋृणम् (debts)''' owed by a person to the seers, devatas, pitrs, bhutas (manushya and other beings), which he paid off by Svadhyaya, by Yajnas, by having progeny, and by charity respectively. Yajnas also taught to see that man is a part of a great whole and related to all around him; and that as his own life was maintained by the sacrifice of other lives, so he must repay that debt by sacrificing to the Devatas in the fire and to men by charitable gifts as laid down in [[Panchamahayajnas (पञ्चमहायज्ञाः)|Panchamahayajnas]].<ref name=":022" /><ref name=":0" />

===देवताराधना ॥ Devataradhana===

===देवताराधना ॥ Devataradhana===

The presence of vast host of Devatas does not obscure the Unity of Brahman (Ishvara), in his triple form as Brahma, Vishnu and Shiva than does the vast hosts of men, animals, plants and minerals which are held sacred and prayed to since ages. As said in the Shruti<blockquote>इन्द्रं मित्रं वरुणमग्निमाहु॒रथो दिव्यः स सुपर्णो गरुत्मान् । एकं सद् विप्रा बहुधा वदन्त्यग्निं यमं मातरिश्वानमाहुः ॥४६॥ (Rig. Veda. 1.164.46)</blockquote><blockquote>indraṁ mitraṁ varuṇamagnimāhu̱ratho divyaḥ sa suparṇo garutmān । ekaṁ sad viprā bahudhā vadantyagniṁ yamaṁ mātariśvānamāhuḥ ॥46॥</blockquote>Meaning : [[Indra (इन्द्रः)|Indra]], Mitra, Varuna, [[Agni (आग्निः)|Agni]] they call Him, and the golden feathered Garutman. Of what is One, seers speak as manifold, they call Him Agni, [[Yama (यमः)|Yama]], Matarishva.

The presence of vast host of Devatas does not obscure the Unity of Brahman (Ishvara), in his triple form as Brahma, Vishnu and Shiva than does the vast hosts of men, animals, plants and minerals which are held sacred and prayed to since ages. As said in the Shruti<blockquote>इन्द्रं मित्रं वरुणमग्निमाहु॒रथो दिव्यः स सुपर्णो गरुत्मान् । एकं सद् विप्रा बहुधा वदन्त्यग्निं यमं मातरिश्वानमाहुः ॥४६॥ (Rig. Veda. 1.164.46)</blockquote><blockquote>indraṁ mitraṁ varuṇamagnimāhu̱ratho divyaḥ sa suparṇo garutmān । ekaṁ sad viprā bahudhā vadantyagniṁ yamaṁ mātariśvānamāhuḥ ॥46॥</blockquote>Meaning : [[Indra (इन्द्रः)|Indra]], Mitra, Varuna, [[Agni (आग्निः)|Agni]] they call Him, and the golden feathered Garutman. Of what is One, seers speak as manifold, they call Him Agni, [[Yama (यमः)|Yama]], Matarishva.