The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
Fisheries management must be adaptive to changing ocean conditions.
我们对宇宙了解得越多，就越意识到我们不知道的还有很多。
我不会害怕。