- Jonathan Edwards on Happiness
- Elbert Hubbard on Happiness
- Marcus Aurelius on Happiness
- Joseph Roux on Happiness
- Benjamin Disraeli on Happiness
- Marguerite Duras on Happiness
- Walter Benjamin on Happiness
- Rutherford B. Hayes on Happiness
- Joseph Franklin Rutherford on Happiness
- George Eliot on Happiness
- Charles Van Doren on Happiness
- Gertrude Jekyll on Happiness
- Gilbert Murray on Happiness
- Virginia Woolf on Happiness
- Donny Osmond on Happiness
- Ashley Montagu on Happiness
- Ogden Nash on Happiness
- Izabella Scorupco on Happiness
- Robert Baden-Powell on Happiness
- William Beveridge on Happiness
- William Ellery Channing on Happiness
- Paula Cole on Happiness
- Eleanora Duse on Happiness
- Thomas Carlyle on Happiness
- Ring Lardner on Happiness
- Ernest Hemingway on Happiness
- John Mason Brown on Happiness
- Chuck Palahniuk on Happiness
- Clayton Christensen on Happiness
- Frank Norris on Happiness
- Johann Wolfgang Von Goethe on Happiness
- Dale Carnegie on Happiness
- Hal Sparks on Happiness
- Joseph Butler on Happiness
- Harry Harrison on Happiness
- Alexander Alekhine on Happiness
- Dalai Lama on Happiness
- Carrie P. Snow on Happiness
- Loretta Swit on Happiness
- Malcolm Muggeridge on Happiness
- Anna Pavlova on Happiness
- Jeremy Bentham on Happiness
- Eric Hoffer on Happiness
- John Burroughs on Happiness
- J. Donald Walters on Happiness
- Bertrand Russell on Happiness
- Carl Sandburg on Happiness
- F. H. Bradley on Happiness