Man is full of desires: he loves only those who can satisfy them all. "This man is a good mathematician," someone will say. But I have no concern for mathematics; he would take me for a proposition. "That one is a good soldier." He would take me for a besieged town. I need, that is to say, a decent man who can accommodate himself to all my desires in a general sort of way.

Habit is a second nature, which destroys the first.

If men knew themselves, God would heal and pardon them.

The sweetness of glory is so great that, join it to what we will, even to death, we love it.

When we do not know the truth of a thing, it is good that there should exist a common error which determines the mind of man, as, for example, the moon, to which is attributed the change of seasons, the progress of diseases, etc. For the chief malady of man is a restless curiosity about things which he cannot understand; and it is not so bad for him to be in error as to be curious to no purpose.

Those honor nature well, who teach that she can speak on everything...

Evil is easily discovered; there is an infinite variety; good is almost unique. But some kinds of evil are almost as difficult to discover as that which we call good; and often particular evil of this class passes for good. It needs even a certain greatness of soul to attain to this, as to that which is good.