The most important thing is to enjoy your sport. If you don't enjoy it, it's very difficult to achieve good results.
I believe in the power of positive thinking.
在变革时期,学习者将继承地球,而学富五车的人会发现自己装备精良,却面对一个不复存在的世界。
数学不是一项观赏性运动。
The goal is not to be right all the time, but to be right more often than wrong.