The real moral test of a society is how it treats those who are at the dawn of life, the children; those who are in the twilight of life, the aged; and those who are in the shadow of life, the sick, the needy and the handicapped.

Happiness is not about having more, but caring less.

领导力是赋能他人，让他们实现自己认为不可能的事情。

我一直相信，如果你想在生活中取得任何成就，就必须为之努力。

Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.

时间的主要美在于你不能提前浪费它。下一年、下一天、下一小时都为你准备好了，就像你一生中从未浪费或误用一刻钟一样完美无瑕。

Productivity metrics that ignore environmental impact are accounting tricks, not real progress.