For the past 33 years， I have looked in the mirror every morning and asked myself: 'If today were the last day of my life， would I want to do what I am about to do today？' And whenever the answer has been 'No' for too many days in a row， I know I need to change something.
A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.
最好的想法往往来自最意想不到的地方。
海洋的潜力是无限的，但我们利用它的智慧却是有限的。
过度捕捞是从子孙后代那里偷窃——我们必须成为制止它的一代。