A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.
一个好的数学家是能看到定理之间类比关系的人。一个伟大的数学家是能看到类比关系之间的类比关系的人。
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'