"When a stupid man is doing something he is ashamed of, he always declares that it is his duty."
"We are all born ignorant, but one must work hard to remain stupid."
"One repays a teacher badly if one always remains nothing but a pupil."
"There is no sin except stupidity."
"Three great forces rule the world: stupidity, fear and greed."
"Stupidity in a woman is unfeminine."
"Fear is stupid, so are regrets."
"Whenever a man does a thoroughly stupid thing, it is always from the noblest motives."