The best way to create interest in a subject is to render it worth knowing, which means to make the knowledge usable.
激发对一门学科兴趣的最好方法是使其值得了解，这意味着要使知识可用。
The problem with quantitative easing is that it works in practice but it doesn't work in theory.
真正的独角兽不仅仅是估值，而是创造持久的价值。