Love is a state of temporary psychosis.

I am actually not at all a man of science, not an observer, not an experimenter, not a thinker. I am by temperament nothing but a conquistador

Neurosis is the inability to tolerate ambiguity.

A belligerent state permits itself every such misdeed, every such act of violence, as would disgrace the individual.

Where questions of religion are concerned, people are guilty of every possible sort of dishonesty and intellectual misdemeanor.

Civilization runs a greater risk if we maintain our present attitude to religion than if we give it up.

The first requisite of civilization, therefore, is that of justice — that is, the assurance that a law once made will not be broken in favour of an individual. This implies nothing as to the ethical value of such a law.