Who said “When you teach your son, you teach your son's son.”?

“Parents are the bones on which children sharpen their teeth.”

“There are no illegitimate children, only illegitimate parents.”

“Parents learn a lot from their children about coping with life.”

“Every generation revolts against its fathers and makes friends with its grandfathers.”

“To lose one parent may be regarded as a misfortune... to lose both seems like carelessness.”

“Who is wise? One who learns from all.”

“Who is a wise man? He who learns of all men.”

“This is the punishment of a liar: he is not believed, even when he speaks the truth.”

“Everyone whose deeds are more than his wisdom, his wisdom endures; and everyone whose wisdom is more than his deeds, his wisdom does not endure.”

“No labor, however humble, is dishonoring.”

“The end result of wisdom is... good deeds.”