“There was no fool like an old fool.”
“Young men think old men are fools; but old men know young men are fools.”
“The young people think the old people are fools -- but the old people know the young people are fools.”
“To say "He was a young fool, and now he's an old fool" is to make a distinction without a difference.”
“There is no fool like an educated fool...”
“A woman who acts like a fool is a fool.”