The thoughts written on the walls of madhouses by their inmates might be worth publicizing.

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.

Affectation is a very good word when someone does not wish to confess to what he would none the less like to believe of himself.

Reading means borrowing.

If we thought more for ourselves we would have very many more bad books and very many more good ones.

Everyone should study at least enough philosophy and belles-lettres to make his sexual experience more delectable.

Probably no invention came more easily to man than heaven.