"Experience is simply the name we give our mistakes."

The past is not for living in; it is a well of conclusions from which we draw in order to act.

The moment you stop trying to be something you’re not, that’s when you become who you’re supposed to be.

The true value of coal lies in how we extract and use it responsibly.

The teacher must believe in the potential of his students. He must see in each one of them a spark of the divine fire.

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。