读一本好书，就是和许多高尚的人谈话。

The most profound ideas in mathematics often arise from the simplest observations.

Je suis le saint, en prière sur la terrasse...

So that morning in 1962 I told myself: Let everyone else call your idea crazy . . . just keep going. Don’t stop. Don’t even think about stopping until you get there, and don’t give much thought to where “there” is. Whatever comes, just don’t stop.