The theory of dynamic programming is based on the principle of optimality, which states that an optimal policy has the property that whatever the initial state and initial decision are, the remaining decisions must constitute an optimal policy with regard to the state resulting from the first decision.
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。
The most sustainable fashion is the piece you already own.
Risk management is the most important thing to be well understood. If you don't have a good risk management system, you are going to blow up.
The whole of life is an act of letting go, but what hurts the most is not taking a moment to say goodbye.
To find yourself, think for yourself.
The method of psychology must be objective, even when studying subjective phenomena.