Not the intensity but the duration of high feelings makes high men.

There is no more dangerous error than that of mistaking the consequence for the cause.

A sure way to irritate people and to put evil thoughts into their heads is to keep them waiting a long time. This makes them immoral.

Probability but no truth, facility but no freedom--it is owing to these two fruits that the tree of knowledge cannot be confused with the tree of life.

The happiness of man is: I will. The happiness of woman is: he wills.

Do not paint a picture either of God or the devil on your walls: this will ruin both your walls and the atmosphere.

I and me are always too deeply in conversation.