数学是给不同事物起相同名字的艺术。

The very shaping of history now outpaces the ability of men to orient themselves in accordance with cherished values. And which values? Even when they do not panic, men often sense that older ways of feeling and thinking have collapsed and that newer beginnings are ambiguous to the point of moral stasis.

我对黑暗感兴趣。如果你不走进黑暗，你永远看不到光明。