We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.
心的记忆会消除坏的，放大好的。
"You can't be afraid to fail. It's the only way you succeed."
萤火虫对群星说：「学者说你的光有一天会熄灭。」群星不回答它。
A healthy animal is the foundation of a healthy food chain.
The most sublime act is to set another before you.