There may be no good reasons for very many opinions that are held with passion.

We know that the exercise of virtue should be its own reward, and it seems to follow that the enduring of it on the part of the patient should be its own punishment.

A man is rational in proportion as his intelligence informs and controls his desires.

Mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true.

It seems to be the fate of idealists to obtain what they have struggled for in a form which destroys their ideals.

Children, after being limbs of Satan in traditional theology and mystically illuminated angels in the minds of educational reformers, have reverted to being little devils; not theological demons inspired by the evil one, but scientific Freudian abominations inspired by the unconscious.

I've made an odd discovery. Every time I talk to a savant I feel quite sure that happiness is no longer a possibility. Yet when I talk with my gardener, I'm convinced of the opposite.