The intellect of two thousand asses cannot bring forth a single man's thought.

Life is a struggle and not a matter of privilege. It is nothing but one's knowledge of the temporal and the spiritual world.

Indeed, in view of its function, religion stands in greater need of a rational foundation of its ultimate principles than even the dogmas of science.

The possibility of a scientific treatment of history means a wider experience, a greater maturity of practical reason, and finally a fuller realization of certain basic ideas regarding the nature of life and time.

The thought of a limit to perceptual space and time staggers the mind.

Sexual self-restraint was only a preliminary stage in the ego's evolution.

It is true that we are made of dust. And the world is also made of dust. But the dust has motes rising.