The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.

In pain there is as much wisdom as in pleasure: like the latter it is one of the best self preservatives of a species.

We often refuse to accept an idea merely because the tone of voice in which it has been expressed is unsympathetic to us.

And many such good inventions are there, that they are like woman's breasts: useful at the same time, and pleasant.

One ought to hold on to one's heart; for if one lets it go, one soon loses control of the head too.

Not joy is the mother of dissipation, but joylessness.

The truth is ugly: we have art so as not to perish from the truth.