语出西汉·桓宽《盐铁论·申韩》。国家不愁没有法制，而是怕没有切实可行的法制。说明制定法律应能够施行。

释义：人性都是怕死而追逐利益，这是天下共通之理。

I love to think of nature as an unlimited broadcasting station, through which God speaks to us every hour, if we will only tune in.

Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be. Many things prevent knowledge including the obscurity of the subject and the brevity of human life.

Quality is not a choice; it is a requirement.