记忆是个奇怪的东西。它不像我以为的那样运作。它不是可以重播的电影。它更像是一个你讲给自己的故事，而每次讲述这个故事都会改变。

No one had ever had such a friend, so affectionate,so loyal and so skillful.

真正的领导力在于帮助他人发挥他们的全部潜力。

The most dangerous thing is to be alive. But it is also the most beautiful.

如果没有地幔对流的概念，大陆漂移理论将只是一种猜测。