The Bhagavad-Gita is the most systematic statement of spiritual evolution of endowing value to mankind. It is one of the most clear and comprehensive summaries of perennial philosophy ever revealed; hence its enduring value is subject not only to India but to all of humanity.
Great is truth, but still greater, from a practical point of view, is silence about truth. By simply not mentioning certain subjects… totalitarian propagandists have influenced opinion much more effectively than they could have by the most eloquent denunciations.