List of authors
- Adam Smith (1 quote)
- Agatha Christie (1 quote)
- Albert Einstein (1 quote)
- Alexander de Grote (1 quote)
- Alexander Pope (1 quote)
- Antoine de Saint-Exupéry (1 quote)
- Antoni Gaudí (1 quote)
- Archimedes (1 quote)
- Bobby Fischer (1 quote)
- Cornelia Păun Heinzel (1 quote)
- Edward Bulwer-Lytton (1 quote)
- Emiliano Zapata (1 quote)
- Empedocles (1 quote)
- Isolde Kurz (1 quote)
- James Geary (1 quote)
- Jimmy Wales (1 quote)
- Julius Caesar (1 quote)
- Mata Hari (1 quote)
- Neil Armstrong (1 quote)
- Nelson Mandela (1 quote)
- Plautus (1 quote)
- Samuel Johnson (1 quote)
- T.S. Eliot (1 quote)
- Umberto Eco (1 quote)
- Valeriu Butulescu (495 quotes)
- Vincent Van Gogh (1 quote)
- William Butler Yeats (3 quotes)
- William Shakespeare (2 quotes)
- Wim Hof (1 quote)