The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.

The truth is rarely pure and never simple.

The universe is not only stranger than we imagine, it is stranger than we can imagine.

我们都是自己过去的侦探。

我们都愿意为某种事业变得野蛮。好人与坏人的区别在于对事业的选择。

形容人心难以捉摸，民众的行为像烟一样飘忽不定。