社会的幸福是政府的最终目的。

The goal of mathematics is not to solve problems, but to understand them.

传记是最亲密的历史形式。

"The universe is asymmetric and I am persuaded that life, as it is known to us, is a direct result of the asymmetry of the universe or of its indirect consequences."

情感的好处就是让我们引入歧途，而科学的好处是不感情用事。