人生苦短，及时行乐。

最危险的事情就是自以为知道自己在做什么。

It is not the nature of magic to be either good or evil, but it is the nature of those who use it.

数学的语言是普遍的，超越了文化和语言的障碍。

"Truth is like the sun; you can shut it out for a time, but it's not going away."

"Life is what happens when you're busy making other plans."

我只和自己竞争。