所有公职人员的职责都是，或者至少可以变得如此简单明了，以至于有才智的人可以很容易地胜任。
The duties of all public officers are, or at least admit of being made, so plain and simple that men of intelligence may readily qualify themselves for their performance.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
生命太短暂，不要把时间浪费在不能让你灵魂快乐的事情上。
You think when you wake up in the mornin yesterday don't count. But yesterday is all that does count. What else is there? Your life is made out of the days it's made out of. Nothin else.