在野外，没有第二次机会。你必须第一次就做对。

每一代人都应视地球为信托。

在科学中最令人兴奋的短语，预示着新发现的，不是“我找到了！”而是“这有点奇怪……”

The deterioration of every government begins with the decay of the principles on which it was founded.

你能给别人的最大礼物就是你的时间和关注。

The 40% solution: The capacity to increase happiness is within our personal control.

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.