我不是一个对名声感到非常自在的人。我是一个歌手。我唱歌。这就是我做的。这就是我爱的。
I'm not a person who's very comfortable with fame. I'm a singer. I sing. That's what I do. That's what I love.
数学证明的美在于它的优雅以及它以清晰简洁的方式揭示潜在真理的方式。
The only limits you have are the limits you believe.
The art of teaching is the art of assisting discovery.
成功不在于从不犯错，而在于从不重蹈覆辙。