学习数学的最好方法就是做数学。
"The best way to learn mathematics is to do mathematics."
The time for debate is over; the time for action is now.《Blue Horizons》
We all complete. Maybe none of us really understand what we’ve lived through, or feel we’ve had enough time.
Stray birds of summer come to my window to sing and fly away. And yellow leaves of autumn, which have no songs,flutter and fall there with a sigh.
技术应该为农民服务，而不是反过来。
The only fence against the world is a thorough knowledge of it.
真相是一种负担，也是一种解放。
对你的孩子好一点，因为他们未来会给你选养老院。