Who Ya Gonna Believe Me or Your Own Eyes?

Groucho Marx? Chico Marx? Popular Song? Peggy Hopkins Joyce? Dorothy Dix? Ace Reid? Apocryphal? Dear Quote Investigator: According to legend when the wife of a famous comedian caught him in bed with another person the entertainer was unperturbed and denied that anything improper was occurring: Who you gonna believe, me or your lying eyes? This …