Science is a collection of successful recipes.

To enter into your own mind you need to be armed to the teeth.

The most ridiculous were those who, on their own authority, made themselves the judges and justices of the tribe. They seemed never to suspect that our judgments judge us, and that nothing exposes our weaknesses and reveals ourselves more naively than the attitude of pronouncing upon our neighbors.

Do you not realise that dance is the pure act of metamorphosis?

History justifies whatever we want it to. It teaches absolutely nothing, for it contains everything and gives examples of everything.

One had to be a Newton to notice that the moon is falling, when everyone sees that it doesn't fall.

What is simple is false and what is not is useless.