"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."

一个人的幼儿时期，其实就是一种不断习得能力的过程，这个周期性的刺激，将带给儿童无限的欢乐和乐趣。

Diplomacy is not an end in itself if it does not advance the interests of the nation.

不要让任何人黯淡你的光芒。

科学家最强大的工具不仅是智力，还有想象力。

手工制造一支这样的枪所需的劳动会耗尽任何普通工匠的耐心和毅力。