Who said "Reality is whatever they tell you it is."?

This quote is attributed to Chief Bromden.

Reality is whatever they tell you it is. - Chief Bromden

"Reality is whatever they tell you it is."

Chief Bromden Truth

Character in One Flew Over the Cuckoo's Nest

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"One Flew Over the Cuckoo's Nest"

"They're out there."

"The Combine is after me."

"Cheswick was nuts, but he was happy."

"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."