学习数学的最好方法就是做数学。
The best way to learn mathematics is to do mathematics.
科学不是民主。它是独裁。重要的不是人们相信什么，而是可以通过实验证明什么。
The only limits that exist are the ones in your mind.
要快乐，我们不必太在意别人。
"The past is always tense, the future perfect."
I think as technologists we should have some safe places where we can try out new things and figure out the effect on society.