Who said "I got to be crazy to be in here, and I ain't crazy."?

This quote is attributed to Randle McMurphy.

I got to be crazy to be in here, and I ain't crazy. - Randle McMurphy

"I got to be crazy to be in here, and I ain't crazy."

Randle McMurphy Truth

Character in One Flew Over the Cuckoo's Nest

Buy "One Flew Over the Cuckoo's Nest" on Amazon

"You boys are gonna get a chance to start a new life."

"I'd be happy to oblige you."

"I'm a gambling man."

"I need a little help."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."