A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.
希望是一种强大的动力,但必须与行动相结合才能有效。
你越热爱你所做的事情,你就会越成功。
这些墙很有趣,刚入狱的时候,你痛恨周围的高墙;慢慢地,你习惯了生活在其中;最终你会发现自己不得不依靠它而生存。这就叫体制化。