数学中最深刻的定理往往有最简单的表述。
The deepest theorems in mathematics often have the simplest statements.
The art of competing, I’d learned from track, was the art of forgetting, and I now reminded myself of that fact. You must forget your limits. You must forget your doubts, your pain, your past.
The greatest blessing of our democracy is freedom. But in the last analysis, our only freedom is the freedom to discipline ourselves.
没有所谓的幸福结局。
广泛地学习，详尽地探究，慎重地思考，清楚地辨别，忠实地执行。