evidence: This page includes 50 of the most famous Mark Twain quotes from his lectures, conversations and journalistic articles. Samuel Clemens used several pen names before humorously lighting on ‘Mark Twain,’ the call made by Mississippi river boatmen gauging the depth of the river. He is the author of what some regard as the Great American Novel, The Adventures of Huckleberry Finn. [...] Do something every day that you don’t want to do. This is the golden rule for acquiring the habit of doing your duty without pain. [...] And that’s your lot for Mark Twain quotes, though if you’re after more info we do have a great biography of Mark Twain, and these inspiring travel quotes.