Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

Some suggestions for you :

The training of children is a profession, where we must know how to waste time in order to save it.

To live is not merely to breathe; it is to act; it is to make use of our organs, senses, faculties - of all those parts of ourselves which give us the feeling of existence.

It is a mania shared by philosophers of all ages to deny what exists and to explain what does not exist.

Gratitude is a duty which ought to be paid, but which none have a right to expect.

Those that are most slow in making a promise are the most faithful in the performance of it.

People who know little are usually great talkers, while men who know much say little.

I may be no better, but at least I am different.

Free people, remember this maxim: we may acquire liberty, but it is never recovered if it is once lost.

Childhood is the sleep of reason.

Religious persecutors are not believers, they are rascals.

Civilization is a hopeless race to discover remedies for the evils it produces.

Or, rather, let us be more simple and less vain.

Every man has a right to risk his own life for the preservation of it.

Ordinary readers, forgive my paradoxes: one must make them when one reflects; and whatever you may say, I prefer being a man with paradoxes than a man with prejudices.