As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.

我既找不到一个完全献身于我的朋友，我就必须有些能以其推动力克服我的惰性的朋友。

Education begins the gentleman, but reading, good company and reflection must finish him.

数字是形式和思想的统治者，也是神祇和恶魔的原因。