真正的天才在不完整面前会颤抖——通常宁愿保持沉默，也不愿说一些不完全符合它应该说的话。

幽默是与孩子建立联系的最佳方式。

自守表示的研究是数学抽象之美的反映。

There is a time for daring,and there is a time for caution, and a wise man understanding which is called for

I think that's the single best piece of advice: constantly think about how you could be doing things better and questioning yourself.

不要停止相信，除非你的梦想很糟糕。

强大但是骄傲就会削弱力量，弱小而骄傲只会加速灭亡。

向更清洁能源的过渡必须实用、经济且可靠。