With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

外交不仅仅是国家之间的事务，它也关乎人类整体的命运和未来。

I don't want to be famous, I want to be remembered.

物理学家必须有一种信念，即宇宙是由理性且可理解的规律所支配的。

战争不会消灭正直，它反而更需要正直——比和平时期更需要。

摆脱诱惑的唯一方式就是屈服于它。