Paragraph 1, Zeile 1 De Finibus Bonorum Et Malorum: De Finibus III von Cicero
Paragraph 1, Zeile 7 On Divination: De Divinatione Liber Alter von Cicero
Paragraph 3, Zeile 71 Letters To Atticus: Ad Atticum IV von Cicero
Paragraph 20, Zeile 51 Letters To Friends: Ad Familiares IX von Cicero
Paragraph 8, Zeile 12 Letters To His Brother: Ad Quintum Fratrem III von Cicero
Paragraph 8, Zeile 332 Dialogi: On Tranquility of the Mind von Seneca
Paragraph 20, Zeile 20