We have to purify our existence so that we can revive our original position of eternal life, blissful life, full of knowledge. That is our requirement. So modern civilization, they have no such information. Everyone is trying to improve his condition according to the quality. But that is not improvement. Real improvement is how to get out of this cycle of birth and death. That is real improvement.
Lecture on Bhagavad-gita 13.22, Bombay, 20 October, 1973