Self-love, then, is a necessary principle of action.
Life is like a mirror, if you frown at it, it frowns back; if you smile, it returns the greeting.
都是出卖,卖给中原各国也可以,何必非要卖给越国呢? 
空间、光线和秩序。这些是人类所需,正如他们需要面包或睡觉的地方一样。
To feed the world, we must first learn to listen to the earth.