Experiences are always of the past operating on the present. The modified experiences continue into the future. This is consciousness, the vast storehouse of centuries. It has its usefulness in mechanical living only; it would be absurd to deny all the scientific knowledge we have acquired through centuries. But to find out, to bring about a mutation in consciousness, a revolution in this whole structure, there must be complete emptiness. That emptiness is only possible when there is the discovery, the actual seeing, of what is false.