A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
To conquer fear is the beginning of wisdom.
Success is not final, failure is not fatal: it is the courage to continue that counts.
相机让每个人都成为他人现实中的游客,最终也成为自己现实中的游客。
死者并未缺席。他们只是不可见。
The more I learn, the more I realize how much I don’t know.