我们不能只养殖鱼类，我们必须经营整个生态系统。

Every barrel we produce must be done responsibly, with full consideration of environmental and social impacts.

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt, and the profoundest wisdom to know when it ought to be resisted, and when it be obeyed.

没有任何对象的存在是不容置疑的。