喜欢责备别人的人难以维持与别人的交情，经常原谅自己过失的人永远不可能改正错误。骄傲自满的人必定失败，自我夸耀的人愚蠢可笑，自我戕害的人必然害己害人。多说话而得到好处，不如沉默而不受伤害。

Every setback is a setup for a comeback.

I can't relate to lazy people. We don't speak the same language.I don't understand you. I don't want to understand you.

我们想要的未来必须被发明出来，否则我们将得到一个我们不想要的未来。

投资可持续林业就是投资我们星球的未来。

"Success is not final, failure is not fatal: It is the courage to continue that counts."

At that age， I'd take any excuse to make estimates and do minor arithmetic. I'd calculate our gas mileage -- figure out useless statistics on things like grocery spending. I'd been hearing an ad campaign about smoking. I can't remember the details， but basically the ad said， every puff of a cigarette takes some number of minutes off of your life: I think it might have been two minutes per puff. At any rate， I decided to do the math for my grandmother. I estimated the number of cigarettes per days， estimated the number of puffs per cigarette and so on. When I was satisfied that I'd come up with a reasonable number， I poked my head into the front of the car， tapped my grandmother on the shoulder， and proudly proclaimed， "At two minutes per puff， you've taken nine years off your life！"