The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.

Well, the first rule is that you can’t really know anything if you just remember isolated facts and try and bang ’em back. If the facts don’t hang together on a latticework of theory, you don’t have them in a usable form.

A company's culture is defined by the worst behavior the leader is willing to tolerate.

当你经历生活给我们所有人带来的挫折时，改变你对自己说的那些破坏性的话是乐观的核心技能。

Don't let your failures define you—let them teach you.