我们今天种下的每一粒种子都是对后代的承诺。
Every seed we plant today is a promise to future generations.
The way to make progress is to acknowledge ignorance.
The facts of life are very simple, but the stories we tell about them are very complicated.
释义：天道是要使盈者亏损而补偿不满者；地道也是要使盈者溢出而流向不盈的一方；鬼神的本性也是损害盈满者而福荫那些空虚者；而人的本性也是讨厌满盈者而喜好不满者。
单子是不可分割的实体，是构成世界的基本元素。