释义：军队的强大或弱小、作战的胜利或失败都是常见的。重要的是能够从失败中吸取教训，将失败转化为成功。

"The past is always present in our lives, whether we acknowledge it or not."

I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.

Absolute faith corrupts as absolutely as absolute power.

最好的东西，不会都属于你，舍掉其中一个，才能得到另外一个。选择，是人生的必行之路。