The only constant is change, continuing change, inevitable change, that is the dominant factor in society today.
如果我们希望海洋繁荣,就必须倾听科学的声音。
The world is not dialectical—it is sworn to extremes, not to equilibrium, sworn to radical antagonism, not to reconciliation or synthesis.
We cannot always assure the future of our friends, but we have a better chance of assuring our future if we remember who our friends are.