The only way to learn mathematics is to do mathematics.
学习数学的唯一方法就是做数学。
Technology is just a tool, people are the real asset.
The last time I was intimidated was when I was 6 years old in karate class.
最好的故事是那些能让你内心深处有所感触的故事。
I'm not going to sit here and say I'm a role model or anything, but I do think I have a responsibility.
Every ton of coal we extract must create maximum value with minimum environmental impact.
Life is short, make it sweet.
真正的创新来自于解决现实世界的问题。