最可持续的森林是在保持其生态完整性的同时为人们提供价值的森林。
孔子说：“君子有九种事情要考虑：看要考虑是否看清楚了、听要考虑是否听清楚了、脸色要考虑是否温和、表情要考虑是否谦恭、言谈时要考虑是否忠诚、工作时要考虑是否敬业、疑问时要考虑请教、愤怒时要考虑后患、见到好处时要考虑道义。”
增长来自于有计划的冒险，而不是安于现状。
I think I have only one choice: either get busy living or get busy dying.
决心不过是记忆的奴隶，它会根据你的记忆随意更改。
The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.