"In studies, whatsoever a man learneth, he must learn it as if he were to teach it."

"Certainly the best works, and of greatest merit for the public, have proceeded from the unmarried, or childless men."

"Friends are thieves of time."

"The greatest impediment to knowledge is the presumption of knowledge."

"If a man be gracious and courteous to strangers, it shows he is a citizen of the world."