Metaphysics is the finding of bad reasons for what we believe on instinct.

True penitence condemns to silence. What a man is ready to recall he would be willing to repeat.

The cost of a thing is what I call life which has to be exchanged for it, immediately or in the long run.

Eclecticism. Every truth is so true that any truth must be false.

The propriety of some persons seems to consist in having improper thoughts about their neighbors.

The one self- knowledge worth having is to know one's own mind.

The secret of happiness is to admire without desiring. And that is not happiness.