我从不回头看，我总是向前看。
I never look back, I always look forward.
The more you love what you do, the more successful you'll be.
The development of formal systems has revolutionized our understanding of mathematics.
"With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one—but no one at all—can tell you what to read and when and how."
如果你有一个重要的一点是,不要将微妙的或聪明。使用一个打桩机。命中点一下。然后再打一遍。然后点击三分之一次-一个巨大的打击。
And your friends will be properly astonished to see you laughing as you look up at the sky! Then you will say to them, "Yes, the stars always make me laugh!"