A man's face as a rule says more, and more interesting things, than his mouth, for it is a compendium of everything his mouth will ever say, in that it is the monogram of all this man's thoughts and aspirations.

The principle of contradiction establishes merely the agreement of concepts, but does not itself produce concepts.

If God made the world, I would not be that God, for the misery of the world would break my heart.

A high degree of intellect tends to make a man unsocial.

All religions promise a reward beyond life, in eternity, for excellences of the will or heart, but none for excellences of the head or understanding.

Dissimulation is innate in woman, and almost as much a quality of the stupid as of the clever.

Nature shows that with the growth of intelligence comes increased capacity for pain, and it is only with the highest degree of intelligence that suffering reaches its supreme point.