The task of the theory consists in replacing the phenomena to be explained by something simpler, which contains the essence of what is happening.
理論的任務(wù)在于用更簡單的東西替代待解釋的現(xiàn)象，其中包含所發(fā)生事件的本質(zhì)。
The only limits that exist are the ones you place on yourself.
The paper industry has a unique opportunity to lead the way in environmental stewardship.
I'm not a bad guy, I'm just a guy who sometimes does bad things.
Sustainable forestry is not an option; it's an obligation.
Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.
Leadership is about making the tough decisions and standing by them.