书籍是通往宇宙的钥匙。

Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

The better we get at getting better, the faster we will get better.

真正的学者不在于知道多少，而在于热爱真理。

情感是心理元素的化合反应。