不去尝试办不到的事情, 不去追求得不到的东西, 不居于不能持久的地位, 不推行不可重复的政策。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
70岁,我才刚刚开始。等着瞧吧。
预测未来的最好方法就是去创造它。
Responsible fishing isn't about catching less - it's about catching smarter.