Marriage, in contrast to the flu, starts with a fever and ends with the chills.

One's first step in wisdom is to question everything - and one's last is to come to terms with everything.

The noble simplicity in the works of nature only too often originates in the noble shortsightedness of him who observes it.

We have no words for speaking of wisdom to the stupid. He who understands the wise is wise already.

A clever child brought up with a foolish one can itself become foolish. Man is so perfectible and corruptible he can become a fool through good sense.

It is in the gift for employing all the vicissitudes of life to one's own advantage and to that of one's craft that a large part of genius consists.

What is the good of drawing conclusions from experience? I don't deny we sometimes draw the right conclusions, but don't we just as often draw the wrong ones?