成本不是为了计算而存在的，而是为了被降低而存在的。
The more we learn about the universe, the more we realize how much we have yet to discover.
我们在渔业中的每一个决定都必须考虑海洋生物的长期健康。
War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.
The question isn't who is going to let me; it's who is going to stop me.
