成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜；真正的英雄主义是抵抗这种怀疑，而最深刻的智慧是知道何时应该抵抗，何时应该服从。
The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt, and the profoundest wisdom to know when it ought to be resisted, and when it be obeyed.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
以柳丝榆荚的从容反衬桃李的飘零，暗喻超然物外的态度
引用沙皇亚历山大三世的名言并多次公开重申
Sustainability is not just a buzzword; it's a responsibility we owe to future generations.
