We don't inherit the earth from our ancestors; we borrow it from our children. This truth guides every decision we make.
我们不是从祖先那里继承了地球；我们是从子孙那里借来的。这个真理指导着我们做出的每一个决定。
成功的方法是加倍你的失败率。
永远不要低估一个执行得非常好的简单想法的力量。
"The major threats to survival that our ancestors faced - predators, starvation, disease - left their mark on our fears and anxieties."
人生只有一次，让我们勇敢地生活，不留遗憾。
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
The best time to plant a tree was 20 years ago. The second best time is now.
经济学的研究最终是对人类行为及其后果的研究。
数学的历史是人类好奇心和创造力的历史。