“A clever child brought up with a foolish one can itself become foolish. Man is so perfectible and corruptible he can become a fool through good sense”

“The silliest woman can manage a clever man; but it needs a very clever woman to manage a fool ”

“Stupidity gets up early; that is why events are accustomed to happening in the morning.”

“An illusion of depth often occurs if a blockhead is a muddlehead at the same time”

“Stupidity is an elemental force for which no earthquake is a match”

“Self-reverence, self-knowledge, self-control; these three alone lead one to sovereign power ”