不克制意志便能高洁，不讲求仁义就能修身，不追求功业名声便能使天下太平，不隐居江海也得静闲，不用导引之术而得高寿，忘掉上面这一切，而又具备这一切。淡然至极，而一切美好的东西都随之而来，这就是天道，圣人之规律。
The purpose of psychology is to explain how we manage to live.
The beauty of mathematics lies in its ability to simplify the complex.
Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.