臣民对主权者的义务,只要主权者能保护他们,就持续存在,否则就不再存在。
"Los monstruos más peligrosos son aquellos que llevamos dentro."
反过来,始终反过来:把情况或问题颠倒过来,从反面看。
可持续性不是一个选择;它是我们对后代的责任。
The best way to learn mathematics is to do mathematics.
我不想在退役后成为一个商人,我想成为一个商业帝国。
When each day is the same as the next, it's because people fail to recognize the good things that happen in their lives every day that the sun rises.