The material world eternally manifests from the spiritual realm; true knowledge means engaging in Krishna's service, not merely rejecting the world.Listen — Srila Prabhupada Uvaca
Bhagavad-gītā 15.1 — October 28, 1973, Vṛndāvana 731028BG-VRINDAVAN [29:02 Minutes] Bg-15.01_731028BG-VRINDAVAN Pradyumna: "The Blessed Lord said: There is a banyan tree which has its roots upward and its branches down and whose leaves are the Vedic hymns. One who knows this tree is the knower of the Vedas." [Bg. 15.1] Prabhupāda: So this is the description of Vedic literature. Vedaiś ca sarvair aham eva vedyaḥ [Bg. 15.15]. That will be described.
Veda means knowledge. Vetti veda vida jñāne. Vid-dhātu. From vid-dhātu, the word Veda has come.
Vid means knowledge. There are different kinds of knowledge, and all kinds of knowledge you can get perfectly from the Vedas. There is Dhanur-veda, Āyur-veda, Ṛg-veda, Sāma-veda, different branches of Veda, but the objective of studying Vedas means to understand Kṛṣṇa. Vedaiś ca sarvaiḥ.
All kinds of Vedas. Any book of knowledge. There are different types of book of knowledge. So if by studying the books of different types of knowledge one comes to the understanding of knowing the Supreme Personality of Godhead, Kṛṣṇa, then his knowledge is perfect. Therefore Kṛṣṇa says that bahūnāṁ janmanām ante [Bg. 7.19].
After studying Vedas, speculative knowledge, bahūnāṁ janmanām ante jñānavān, when one is actually a wise man, bahūnāṁ janmanām ante jñānavān māṁ prapadyate, he surrenders to Kṛṣṇa. Why? Vāsudevaḥ sarvam iti [Bg. 7.19]. Because Kṛṣṇa is everything.
Parasya brahmaṇaḥ śaktiḥ. Whatever we see, whatever we experience, that is, everything, Kṛṣṇa's energy. This material world is also expansion of Kṛṣṇa's energy. Similarly, the spiritual world is also expansion of Kṛṣṇa's energy.
The brahma-jyotir is also expansion of Kṛṣṇa's energy. Paramātmā is also expansion of Kṛṣṇa's plenary portion. In this way, when one understands perfectly well that whatever we are experiencing, that is Kṛṣṇa's energies... It is described in the Viṣṇu Purāṇa, eka-deśa-sthitasyāgner jyotsnā vistāriṇī yathā parasya brahmaṇaḥ śaktis sarvedam akhilaṁ jagat [Viṣṇu Purāṇa 1.22.52] This jagat, akhila jagat, is nothing but manifestation of Kṛṣṇa's energy. Parasya brahmaṇaḥ śaktiḥ.