在你雇用人之前，你需要确认他的三项素质：正直诚实，聪明能干，精力充沛。但是最重要的是正直诚实，因为如果他不正直诚实而又具备了聪明能干和精力充沛，你的好日子也就到头了。

"Love and madness are close neighbors in the human heart."

自守形式的研究证明了对称性在数学中的力量。

角色是追逐我的幽灵，直到我在纸上赋予它们声音。

The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

每一个数学问题都是通向新理解世界的窗口。