关于奇幻的事情是，它允许你创造一个与我们自己的世界完全不同的世界，然而，它仍然可以反映我们世界的真相。

A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.

True progress comes when we invest in both our people and our technology.

知识最大的敌人不是无知，而是知识的幻觉。