But some of the more famous “happy life” quotes out there contain good hints. Remember Bob Ross: “We don’t make mistakes, just happy little accidents.”It also matters who we spend time with. “All animals, except man, know that the principal business of life is to enjoy it,” wrote English novelist Samuel Butler. Be happy,” which, by the way, is one of the best feel-good songs to listen to or hum when you need a good mood booster. Read on for more quotes about happiness!