Groucho Marx – Find out if a man is honest Share this quote: There is one way to find out if a man is honest — ask him. If he says “yes,” you know he is crooked. – Groucho Marx (Oct 2, 1890-Aug 19, 1977) Is this quotation insightful, though-provoking, useful? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0