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.
数学家是能在定理之间找到类比的人;更好的数学家是能在证明之间看到类比的人;而最好的数学家是能注意到理论之间类比的人。
在逆境和变革中,我们才能真正发现自己是谁,以及我们是由什么构成的。