Hope for the best, expect the worst.

未经省察的人生不值得过。

那些‘基业长青’的公司也必须‘为变革而建’。

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.