我本人是个乐观主义者，因为做别的貌似没什么用。
Every ton of coal we extract carries equal weight in responsibility.
Forests are the lungs of the earth, and we must protect them with the same urgency as our own health.
"To be happy is to be able to become aware of oneself without fright."
你画的每一条线都是一个决定，而每个决定都在讲述一个故事。
做出伟大工作的唯一方法就是热爱你所做的事。
The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to go to war with one another.