Never， never， never give in！

I find I'm so excited. I can barely sit still or hold a thought in my head. I think it the excitement only a free man can feel, a free man at the start of a long journey whose conclusion is uncertain. I hope I can make it across the border.I hope the Pacific is as blue as it has been in my dreams. I hope to see my friend, and shake his hand. I hope.

The best way to predict the future is to create it.

天地的法则用一句话就可以概括，它自身诚一不贰，化育万物，不可测度。天地的法则是：广博，深厚，高超，精明，悠久，长远。

A mathematician's work is mostly a solitary pursuit, but it builds on the work of many others.

总是为最坏的情况做计划，同时期待最好的结果。