居家时不是有才德的人,入朝做官也不是好官。小时候不是一个好的学生,将来不能够成为一个有才德的人。
The study of mathematics is the indispensable basis for all intellectual and spiritual progress.
The goal of mathematics is to understand the structures that underlie the phenomena we observe.
The best way to predict the future is to create it.
Every cell in your body carries a story billions of years old.