Likes, 3 Comments - Joker Quotes (@thejokersquote) on Instagram: “Follow Me (@TheJokersQuote) For Daily Motivation And Inspirational Quotes. Batman (). The Joker: Haven't you ever heard of the healing power of laughter? Grissom: That you, sugar bumps? [turns around to see a man]. 25 best joker quotes from The Dark Knight. Enjoy:D.