The true test of civilization is not the census, nor the size of cities, nor the crops, but the kind of man that the country turns out.

我相信如果你时刻准备着，就不必临时准备。

海洋的健康与地球的健康直接相关——最终，与人类健康相关。

If you don't fail at least 90 percent of the time, you're not aiming high enough.

The only way to do great work is to love what you do.

在儿童时期没有养成思想的习惯。将使他从此以后一生都没有思想的能力。