I’m a very positive thinker, and I think that is what helps me the most in difficult moments.
Don't ever let somebody tell you you can't do something, not even me.
数学是为不同事物赋予相同名称的艺术。
我要向你走去，你像我走来已经很久了。
今天我们开采的石料必须留下让未来引以为豪的遗产。
最伟大的故事是那些让我们改变的故事。