- Mary Astell on Happiness
- Mary Oliver on Happiness
- Jillian Michaels on Happiness
- Mary Gordon on Happiness
- Charlie Chaplin on Happiness
- Maxwell Maltz on Happiness
- Samuel Johnson on Happiness
- Walter Savage Landor on Happiness
- Bernard Loiseau on Happiness
- Honore De Balzac on Happiness
- Ralph Waldo Emerson on Happiness
- Henry Knox on Happiness
- George Bernard Shaw on Happiness
- Francis Wright on Happiness
- Thomas Jefferson on Happiness
- Ethel Percy Andrus on Happiness
- Maxwell Maltz on Happiness
- Park Geun-hye on Happiness
- Pierre Corneille on Happiness
- Maurice Maeterlinck on Happiness
- Kenichi Fukui on Happiness
- Alanis Morissette on Happiness
- Emma Thompson on Happiness
- Henry Ford on Happiness
- James K. Polk on Happiness
- Andy Grammer on Happiness
- Adam Smith on Happiness
- Edward G. Bulwer Lytton on Happiness
- Margaret Oliphant on Happiness
- Bernard Cornwell on Happiness
- Chris Evans on Happiness
- Richard Owen Cambridge on Happiness
- Sigmund Freud on Happiness
- Leo Buscaglia on Happiness
- Andre Gide on Happiness
- Henny Youngman on Happiness
- Anna Pavlova on Happiness
- Thomas Merton on Happiness
- Thornton Wilder on Happiness
- Pia Toscano on Happiness
- Lynn Johnston on Happiness
- George Porter on Happiness
- Arthur Ashe on Happiness