对煤炭的战争就是对美国工人的战争。
The war on coal is a war on the American worker.
Whatever you're meant to do, do it now. The conditions are always impossible.
林业技术应该服务于自然，而不是征服它。
Non-violence is the greatest force at the disposal of mankind.
The truth is, we are all waiting for someone to come and save us.
当你需要知识就像你在水底需要空气时，你准能得到它。