Who said "The real McCoy is what you see, not what you hear about."?

This quote is attributed to John Wayne.

The real McCoy is what you see, not what you hear about. - John Wayne

"The real McCoy is what you see, not what you hear about."

John Wayne Truth

Actor American 1907–1979

"Courage is being scared to death, but saddling up anyway."

"Life is hard; it's harder if you're stupid."

"Tomorrow is the most important thing in life."

"All I have to do is divine will, not my own."

"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."