Many a truth is the result of an error.

To have and not to give is often worse than to steal.

There are times when to be reasonable is to be cowardly.

If you have one good idea, people will lend you twenty.

So soon as a fashion is universal, it is out of date.

I regret nothing, says arrogance; I will regret nothing, says inexperience.

You stay young as long as you can learn, acquire new habits, and suffer contradictions.