We look at the world once, in childhood. The rest is memory.
我们只在童年时看过一次世界。其余都是记忆。
做给别人看很简单，做给自己看却很难。
If you have an apple and I have an apple, and we exchange apples, we both still only have one apple. But if you have an idea and I have an idea, and we exchange ideas, we each now have two ideas.
决策分析的本质是将复杂问题分解为更简单、更易管理的组成部分。