Who said "You're playing with forces you don't understand."?

This quote is attributed to Carson Wells.

You're playing with forces you don't understand. - Carson Wells

"You're playing with forces you don't understand."

Carson Wells

Character in No Country for Old Men

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"This man's a ghost."

"There's a guy in there that's gonna kill you and take your money."

"Money's just a way of keeping score."

"There's worse things than being dead."