Once or twice a year, somebody posts this on Facebook and it’s invariably followed by dozens of comments praising Carlin, the quote, or both.
What always amuses me is that nobody questions whether George Carlin ever actually said this.
(Spoiler: it’s a widely-distributed but totally fake quote)
I really, really hope whoever made up this graphic did so to make this exact point.
Comics I Don't Understand 
“I really, really hope whoever made up this graphic did so to make this exact point.”
I like that take on it. I doubt you’re correct.
‘Don’t believe everything you see on the internet.’ – Abraham Lincoln.
“Don’t overdo the doubting. I did say that.” -George Carlin
“I didn’t say half of the things I said.” — Yogi Berra
I’m always immediately suspicious of any Carlin quotation.
All that you love will be carried away – Numerous
I’ll just leave this here: http://definitelyrealquotes.com/
Wilde: “I wish I’d said that..!”
Whistler: “You will, Oscar, you will…”
Graham Chapman: “I wish I hadn’t said that.”
John Cleese: “But you did, Oscar, you did.”