evidence: FACT CHECK: Did Mark Twain Say, ‘If Voting Made A Difference, They Wouldn’t Let Us Do It’? A post shared on Facebook alleges that author Mark Twain once said, "If voting made a difference, they wouldn’t let us do it." [...] There is, however, no evidence that Twain ever said or wrote this saying about voting. A search of his complete literary works, as well as his correspondence, turned up no matching or similar phrases.