你赢得越多，就越想赢。
"The more you win, the more you want to win."
Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.
Responsible forestry isn't about limiting progress—it's about redefining what progress means.