世界称之为不道德的书籍，是那些展示了世界自身羞耻的书籍。

The most powerful motivator is not money. It’s the opportunity to learn, grow in responsibilities, contribute to others, and be recognized for achievements.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

You can't be afraid to fail. It's the only way you succeed.