"The end of all knowledge is action."

"For such is the nature of men, that howsoever they may acknowledge many others to be more witty, or more eloquent, or more learned; yet they will hardly believe there be many so wise as themselves."

"Ignorance of causes, makes men apt to attribute every event to some immediate invisible agent."

"The value of a man, is as of all other things, his price; that is, so much as would be given for the use of his power."

"The skill of making and maintaining Commonwealths, consisteth in certain rules, as doth arithmetic and geometry; not (as tennis-play) on practice only: which rules, neither poor men have the leisure, …"