- Ernie Banks on Friendship
- Sydney Smith on Friendship
- Emil Ludwig on Friendship
- Samuel Richardson on Friendship
- Jane Harrison on Friendship
- Robert Louis Stevenson on Friendship
- Russell Crowe on Friendship
- Anne Morrow Lindbergh on Friendship
- Samuel Pepys on Friendship
- Thomas Aquinas on Friendship
- Malcolm Arnold on Friendship
- Aristotle on Friendship
- Henry Ford on Friendship
- John Woo on Friendship
- Georg Brandes on Friendship
- Enrique Iglesias on Friendship
- Tom Lehrer on Friendship
- Anne Lamott on Friendship
- Stephanie Tubbs Jones on Friendship
- Julie Burchill on Friendship
- Johann Kaspar Lavater on Friendship
- Eleanor Robson Belmont on Friendship
- Confucius on Friendship
- Elbert Hubbard on Friendship
- Baltasar Gracian on Friendship
- Chanakya on Friendship
- Robert Southey on Friendship
- Madeleine Albright on Friendship
- Francis Marion Crawford on Friendship
- Alice Walker on Friendship
- Lucan on Friendship
- Plautus on Friendship
- Honore De Balzac on Friendship
- Epicurus on Friendship
- Charles De Lint on Friendship
- Vicente Fox on Friendship
- Brooks Adams on Friendship
- Henry Adams on Friendship
- Clifton Paul Fadiman on Friendship
- Dan Fouts on Friendship
- Lucius Annaeus Seneca on Friendship
- Edward G. Bulwer Lytton on Friendship
- Marcelene Cox on Friendship
- George Santayana on Friendship
- Simone De Beauvoir on Friendship
- Warren G. Harding on Friendship
- William Blake on Friendship
- Amos Bronson Alcott on Friendship
- Juan Antonio Samaranch on Friendship
- Dennis Prager on Friendship