The first effect of emancipation from the Church was not to make men think rationally, but to open their minds to every sort of antique nonsense

The Stoic assures us that what is happening now will happen over and over again. [If so, Providende would] ultimately grow weary through despair.

The thing that I should wish to obtain from money would be leisure with security.

Whether science-and indeed civilization in general-can long survive depends upon psychology, that is to say, it depends upon what human beings desire.

We are all prone to the malady of the introvert who with the manifold spectacle of the world spread out before him, turns away and gazes only upon the emptiness within.

Teachers are more than any other group the guardians of civilization.

Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own.