追随你的热情,成功就会追随你。
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
最优雅的数学证明是那些以简单揭示真理的证明。
I feel like I'm too busy writing history to read it.
I'm just trying to be better every day.
Investing in environmental technology is investing in the future.