释义：上顺应于天，下取悦于民。使民众喜悦，人民便忘记了劳苦；用喜悦战胜困难，民众就会忘掉死亡的威胁，喜悦的作用太大了，它能勉励民众！

最好的科学是双手弄脏而头脑清醒时完成的。

We need to think creatively about how to solve the world's biggest problems.

花开时不能一同欣赏，花落时也无法共同悲伤

If you're lonely when you're alone，you're in bad pany。

The nose of a mob is its imagination. By this, at any time, it can be quietly led.