Courage is the most important of all the virtues because without courage, you can't practice any other virtue consistently.

出自汉·桓宽《盐铁论·力耕》。穿衣吃饭是人民生活的根本所在，不可以不慎重的对待。

Wanting to be someone else is a waste of the person you are.

可持续性不是一种选择，而是我们对后代的责任。