“Unhappy parents teach you a lesson that lasts a lifetime.”
“You can't cling to the side your whole life, that one lesson every parent needs to teach a child is "If you don't want to sink, you better figure out how to swim”
“Life teach you lessons and those lessons are very painful.”
“There is no worse parent than an unhappy parent!”
“You think I tell you stories to teach you lessons? the monster said. You think I have coming walking out of time and earth itself to teach you a lesson in niceness?”
“I can teach you a lesson you won't forget in a hurry”