- Henry David Thoreau on Friendship
- George Washington on Friendship
- Charles Caleb Colton on Friendship
- Baltasar Gracian on Friendship
- St. Jerome on Friendship
- Joseph Addison on Friendship
- Barbara Bush on Friendship
- Helen Keller on Friendship
- Hayao Miyazaki on Friendship
- Dave Blood on Friendship
- Joseph Roux on Friendship
- Arthur Ashe on Friendship
- Orson Welles on Friendship
- Andrew Sullivan on Friendship
- Anais Nin on Friendship
- Aristotle on Friendship
- Francois De La Rochefoucauld on Friendship
- Marcus Tullius Cicero on Friendship
- E. W. Howe on Friendship
- Hilaire Belloc on Friendship
- Marlo Thomas on Friendship
- Eddie Murray on Friendship
- Maria Shriver on Friendship
- Zhang Ziyi on Friendship
- Henri Nouwen on Friendship
- W. Somerset Maugham on Friendship
- Anna Freud on Friendship
- Aristotle on Friendship
- Oliver Wendell Holmes on Friendship
- John Mayall on Friendship
- Sarah Orne Jewett on Friendship
- Marilyn Hacker on Friendship
- Laurence J. Peter on Friendship
- Joe Biden on Friendship
- Anne Lamott on Friendship