Shrimad Bhagavad Gita As It Is -Shri Shrimad A.C Bhaktivedanta Swami Prabhupada
Contents of the Gita Summarized
Chapter 2: Verse-46
yävän artha udapäne
All purposes served by a small well can at once be served by a great reservoir of water. Similarly, all the purposes of the Vedas can be served to one who knows the purpose behind them.
The rituals and sacrifices mentioned in the karma-käëòa division of the Vedic literature are meant to encourage gradual development of self-realization. And the purpose of self-realization is clearly stated in the Fifteenth Chapter of the Bhagavad-gita  the purpose of studying the Vedas is to know Lord Krsna, the primeval cause of everything. So, self-realization means understandingkrsnaand one’s eternal relationship with Him. The relationship of the living entities withkrsnais also mentioned in the Fifteenth Chapter of Bhagavad-gita
- yävän=all that; arthah=is meant; uda-päne=in a well of water; sarvatah=in all respects; sampluta-udake=in a great reservoir of water; tävän=similarly; sarvesu=in all; vedeñu=Vedic literatures; brahmanasya=of the man who knows the Supreme Brahman; vijänatah=who is in complete knowledge.