一个好的数学家是能看到定理之间类比的人；一个伟大的数学家是能看到类比之间的类比的人。
A good mathematician is someone who can see analogies between theorems; a great mathematician is someone who can see analogies between analogies.
To see clearly is to see differently.
The soul is healed by being with children.
"Sometimes the best way to escape is to face what you're running from."