在野外，没有第二次机会。你必须第一次就做对。

最好的故事是那些留给你的问题比答案更多的故事。

A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.

The only secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards.

I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell.”

The only way to deal with temptation is to yield to it.

可持续发展不再是可选项，而是我们对后代的责任。