Most men are rich in borrowed sufficiency: a man may very well say a good thing, give a good answer, cite a good sentence, without at all seeing the force of either the one or the other.

To philosophize is to learn to die.

Might I have had my own will, I would not have married Wisdom herself, if she would have had me.

Perhaps it is not without reason that we attribute facility in belief and conviction to simplicity and ignorance; for it seems to me I once learned that belief was sort of an impression made on our mind, and that the softer it is the less resistant t.

Saying is one thing and doing is another

Obsession is the wellspring of genius and madness.

I see several animals that live so entire and perfect a life, some without sight, others without hearing: who knows whether to us also one, two, or three, or many other senses, may not be wanting?