安全不是成本——它是对我们最宝贵资源（人）的投资。

The right of nature...is the liberty each man hath to use his own power as he will himself for the preservation of his own nature.

You don't have to be a mathematician to have a feel for numbers.

Experience is simply the name we give our mistakes.

The only thing you have to fear is fear itself.

最伟大的艺术因思想而喧闹。