The real struggle is not between good and evil but between pain and pleasure.

动态规划理论基于最优性原理，该原理指出，无论初始状态和初始决策如何，剩余决策必须构成关于第一个决策所导致状态的最优策略。

"Innovation is the key to success."

I don’t let setbacks define me. I let them strengthen me.

Language is wine upon the lips.

You don’t become a hero by being normal.

我是一个普通人，只是碰巧网球打得好。