In the beginning, all the world was America.

I do not say this, that I think there should be no difference of opinions in conversation, nor opposition in men's discourses... 'Tis not the owning one's dissent from another, that I speak against, but the manner of doing it.

In short, herein seems to lie the difference between idiots and madmen, that madmen put wrong ideas together, and so make wrong propositions, but argue and reason right from them: but idiots make very few or no propositions, and reason scarce at all.

Don't let the things you don't have prevent you from using what you do have.

Children generally hate to be idle; all the care then is that their busy humour should be constantly employed in something of use to them

He that in the ordinary affairs of life would admit of nothing but direct plain demonstration would be sure of nothing in this world but of perishing quickly.

He that makes use of another's fancy or necessity to sell ribbons or cloth dearer to him than to another man at the same time, cheats him.