I am accustomed to sleep and in my dreams to imagine the same things that lunatics imagine when awake.
Rene DescartesEvery man is indeed bound to do what he can to promote the good of others, and a man who is of no use to anyone is strictly worthless.
Rene DescartesThe first precept was never to accept a thing as true until I knew it as such without a single doubt.
Rene Descartes