发现自己适合做什么，并确保有机会去做，这是幸福的关键。

To any artist, worthy of the name, all in nature is beautiful, because his eyes, fearlessly accepting all exterior truth, read there, as in an open book, all the inner truth.

文学毫无用处，正因如此它不可或缺。

数学的美在于它允许我们从物理世界中抽象出来，专注于基本原理。