Beware of false knowledge; it is more dangerous than ignorance.

All our knowledge has its origins in our perceptions.

It [International Yoga Day] is a reflection of the largest knowledge based peoples' movement the world has ever seen.

Where there is shouting, there is no true knowledge.

Life consists in penetrating the unknown, and fashioning our actions in accord with the new knowledge thus acquired.

The only absolute knowledge attainable by man is that life is meaningless.