“Until you're grown-up they send you to reform school. After you're grown-up they send you to the penitentiary.”
“If you're referring to yourself as a 'grown-up', then you're still totally a kid. 'Grown ups' call themselves adults”
“The problem with growing up is that once you're grown up, the people who aren't grown up aren't fun anymore.”
“You're dead if you aim only for kids. Adults are only kids grown up, anyway”
“Believe me, It would be better if we didn't meet again. Go back to school. Go back to your life. And next time they ask you, say no. Killing is for grown-ups and you're still a child.”
“footnote:"With all due respect" is grown-up talk for "I think you're stupid.”