Nature has no principles. She makes no distinction between good and evil.

Some suggestions for you :

Irony is the gaiety of reflection and the joy of wisdom.

Of all the sexual aberrations, chastity is the strangest.

There is a certain impertinance in allowing oneself to be burned for an opinion.

To imagine is everything, to know is nothing at all.

You learn to speak by speaking, to study by studying, to run by running, to work by working; in just the same way, you learn to love by loving.

There are very honest people who do not think that they have had a bargain unless they have cheated a merchant.

One thing above all gives charm to men's thoughts, and this is unrest. A mind that is not uneasy irritates and bores me.

The average man does not know what to do with this life, yet wants another one which will last forever.

Silence is the wit of fools.

Chance is perhaps the pseudonym of God when he did not want to sign.

It is the certainty that they possess the truth that makes men cruel.

If a million people say a foolish thing, it is still a foolish thing.

To die for an idea is to set a rather high price upon conjecture.

The greatest virtue of man is perhaps curiosity.