The only thing that is good without qualification is a good will.

Out of the crooked timber of humanity, no straight thing was ever made.

We assume a common sense as the necessary condition of the universal communicability of our knowledge, which is presupposed in every logic and every principle of knowledge that is not one of skepticism.

Science is organized knowledge. Wisdom is organized life.

We can never, even by the strictest examination, get completely behind the secret springs of action.

A lie is the abandonment and, as it were, the annihilation of the dignity by man.

Laws always lose in energy what the government gains in extent.