屋顶上的天空，如此蔚蓝，如此宁静！
Le ciel est, par-dessus le toit, / Si bleu, si calme!
"The truth is a shadow, and the shadow is a game."
我们之所以能够感知事物的变化，是因为单子在无限的变化中保持了稳定的内在本质。
"It has always seemed strange to me... the things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success."