Every saint has a past, and every sinner has a future.

简单性并不先于复杂性，而是随之而来。

Every time we teach a child something, we keep him from inventing it himself.

最成功的现代国家是那些能够将强大的国家与法治和民主问责制结合起来的国家。

Memory is a strange thing, it doesn't work like I thought it did. Memory is not a simple thing at all.

科学家是务实的人，他们的目标是实际的。他们不追求终极，而是追求接近。