Mark Twain, [Samuel Langhorne Clemens] (1835-1910) American author and humorist Share on Facebook Share on Twitter Comment on this quote Share via Email Print this Page Mark Twain Quote “A man cannot be comfortable without his own approval.”Mark Twain ~ Mark Twain [Samuel Langhorne Clemens] (1835-1910) American author and humorist Responsibility , Respect Ratings and Comments SaveOk2 SaveOk2 View CommentsClick to view or comment. Share on Facebook Tweet Email Print This Mark Twain quote is found in these categories: Responsibility quotes Respect quotes About Mark Twain Bio of Mark Twain Quotations by Mark Twain Books by/about Mark Twain Mark Twain videos Mark Twain on Wikipedia Astrological chart for Mark Twain