痛苦的秘诀在于有空闲去烦恼自己是否幸福。
The secret of being miserable is to have leisure to bother about whether you are happy or not.
井水越是甘甜,就越容易枯竭;树木越是高大,就越容易被砍伐。
当有人尊重你时,你不应该感到惊讶,你应该期待它。
预测未来的最好方式就是创造未来。
The best way to refactor a program is to refactor it.
解释:辅与车互相依存,嘴唇没有了,牙齿就要受寒。