敞开心扉。有人会来。有人会来找你的。

I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

The only thing we have to fear is the censor.

Mathematics is the key and door to the sciences.

任何事情在变容易之前都是困难的。在某个东西成为一个突破之前，它都只是一个愚蠢的想法。

摆脱诱惑的唯一方法是屈服于诱惑。