权力不是我们给孩子的玩具，而是我们放在士兵手中的武器。

The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.

The highest form of theory is the ability to simplify complex things into simple and clear principles.

没有承诺，你永远不会开始，但更重要的是，没有坚持，你永远不会完成。