A habit of basing convictions upon evidence, and of giving to them only that degree or certainty which the evidence warrants, would, if it became general, cure most of the ills from which the world suffers.

Affection cannot be created; it can only be liberated.

A hallucination is a fact, not an error; what is erroneous is a judgment based upon it.

The fundamental concept in social science is Power, in the same sense in which Energy is the fundamental concept in physics.

Thought is great and swift and free, the light of the world, the chief glory of man.

The place of the father in the modern suburban family is a very small one, particularly if he plays golf.

The life of man is a long march through the night, surrounded by invisible foes, tortured by weariness and pain, towards a goal that few can hope to reach, and where none may tarry long.