森林的真正价值不能仅用板材英尺来衡量。
The true value of a forest cannot be measured in board feet alone.
"The more you try to find the truth, the more you lose it."
对失意的人不要谈论得意的事,处于得意的时候不要忘记失意的日子。
要理解心智,我们必须先理解它的进化目的。
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.