Paragraph 16, Zeile 33 Letters To Atticus: Ad Atticum X von Cicero
Paragraph 15, Zeile 71 Letters To Friends: Ad Familiares IX von Cicero
Paragraph 14, Zeile 21 Epistulae Morales Ad Lucilium: Epistulae Morales, Liber II von Seneca
Abschnitt XVI. Seneca Lucilio Suo Salutem, Paragraph 1, Zeile 9 Dialogi: On Tranquility of the Mind von Seneca
Paragraph 7, Zeile 7