To do mathematics is to explore a universe of ideas, where the only limit is your imagination.
Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.
文学是火焰,它意味着不墨守成规和反抗。
技术没有国界,但企业要有自己的核心竞争力。
The world is full of obvious things which nobody by any chance ever observes.