The only use of knowledge of the past is to equip us for the present.

I consider Christian theology to be one of the great disasters of the human race.

The future belongs to those who can rise above the confines of the earth.

Identification of rhythm as the casual counterpart of life; wherever there is some life, only perceptible to us when the analogies are sufficiently close.

Religion is the last refuge of human savagery.

No science can be more secure than the unconscious metaphysics which tacitly it presupposes.

You may not divide the seamless coat of learning.