把员工培训得足够好，他们可以离开；对他们足够好，他们就不想离开。
Train people well enough so they can leave, treat them well enough so they don't want to.
The past is not a burden, but a foundation upon which to build.
城市是建筑最伟大的老师。
解释：凡是有利的地方，虽然是极高的山，没有不可以上去的；即令有极深的水，没有不可以下去的。
You have to go through the storm to appreciate the sunshine.
作家真正的祖国是他的语言。
可持续性不是一种选择；它是负责任农业的唯一前进道路。