Every man's world picture is and always remains a construct of his mind and cannot be proved to have any other existence.

An animal that embarks on forming states without greatly restricting egoism will perish.

The material world has only been constructed at the price of taking the self, that is, mind, out of it, removing it; mind is not part of it...

We must not wait for things to come, believing that they are decided by irrescindable destiny. If we want it, we must do something about it.

The multiplicity is only apparent. This is the doctrine of the Upanishads. And not of the Upanishads only. The mystical experience of the union with God regularly leads to this view, unless strong prejudices stand in the way.

Consciousness is a singular for which there is no plural.

[A living organism] ... feeds upon negative entropy ... Thus the device by which an organism maintains itself stationary at a fairly high level of orderliness (= fairly low level of entropy) really consists in continually sucking orderliness from its environment.