不要为了别人而活，要为自己而活。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

The rhythm of a film is like a heartbeat; it must be steady and true.

合作是应对全球能源挑战的关键。

Optimism is a strategy for making a better future. Because unless you believe that the future can be better, you are unlikely to step up and take responsibility for making it so.

经济与生态之间的平衡是现代林业的核心。