天地不夸耀自己的明亮，大水不夸耀自己的清澈，大火不夸耀自己的炎烈，有德之君不夸耀自己的德行高远，这样才能做众人的领袖。

A ship in port is safe, but that's not what ships are built for.

The study of truth requires a considerable effort - which is why few are willing to undertake it out of love of knowledge - despite the fact that God has implanted a natural appetite for such knowledge in the minds of men.

I'm not a god, but I'm not just a man.

保持简单，愚蠢。

数学的进步是通过它能解决的问题数量来衡量的。