He is a hard man who is only just, and a sad one who is only wise.

I never approved either the errors of his book, or the trivial truths he so vigorously laid down. I have, however, stoutly taken his side when absurd men have condemned him for these same truths.

A multitude of laws in a country is like a great number of physicians, a sign of weakness and malady.

You have no control over the hand that life deals you, but how you play that hand is entirely up to you.

Happiness is not the portion of man.

We admit, in geometry, not only infinite magnitudes, that is to say, magnitudes greater than any assignable magnitude, but infinite magnitudes infinitely greater, the one than the other. This astonishes our dimension of brains, which is only about six inches long, five broad, and six in depth, in the largest heads.

Errors flies from mouth to mouth, from pen to pen, and to destroy it takes ages.