Who said "I'm mad. You're mad."?

This quote is attributed to Cheshire Cat.

I'm mad. You're mad. - Cheshire Cat

"I'm mad. You're mad."

Cheshire Cat Humor

Character in Alice's Adventures in Wonderland

Buy "Alice's Adventures in Wonderland" on Amazon

"We're all mad here. I'm mad. You're mad."

"If you don't know where you're going, any road will take you there."

"That's funny."

"We're all mad here. I'm mad. You're mad."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."