The life is meant for understanding what is my relationship with God. Athato brahma jijnasa. This is the vision of life: what is Brahman, what is God, what I am, what is my relationship with God. And so far eating, sleeping concerned, that is done by the cats and dogs. But the modern civilization, they are busy. Because they are busy for eating, sleeping and mating, they, by the laws of nature, that is also being minimized. I have already explained. The nature wants to help us because we are now forgotten souls. We have forgotten God. The animals have also forgotten God. They are thinking they are this body, bodily concept of life. They have no knowledge. But when you come to the, by evolutionary process, come to the human form of life, then it is your duty to inquire about the Supreme Brahman.
Lecture on Bhagavad-gita 4.2, Bombay, March 22, 1974