学习数学的最好方法就是做数学。
The best way to learn mathematics is to do mathematics.
我唯一能依靠的是自己的感知，而它总是在变化。
The camera is like a weapon; it's dangerous if you don't know how to use it.
真正的领导力意味着为了更美好的明天而在今天做出艰难的决定。
The dead cannot cry out for justice. It is a duty of the living to do so for them.