Gretchen Rubin Quotes
Gretchen Rubin (2015). “The Happiness Project (Revised Edition): Or, Why I Spent a Year Trying to Sing in the Morning, Clean My Closets, Fight Right, Read Aristotle, and Generally Have More Fun”, p.24, HarperCollins
Gretchen Rubin (2012). “Happier at Home: Kiss More, Jump More, Abandon Self-Control, and My Other Experiments in Everyday Life”, p.37, Harmony