Ethics is the general enquiry into what is good.
In the end, the value of a theory is not in its complexity, but in its ability to explain and predict.
唯一值得称道的自由是追求我们自己的利益的自由方式,只要我们不试图剥夺别人的利益或妨碍他们获得自己的利益。
在共和政府中,人人平等;在专制政府中,人人也平等:在前者中,因为他们是一切;在后者中,因为他们什么都不是。