Abschnitt Quintus : Ita vero necesse est. Quare audiamus., Paragraph 1, Zeile 2 Tusculan Disputations II von Cicero
Paragraph 34, Zeile 118 Tusculan Disputations III von Cicero
Paragraph 1, Zeile 4 Tusculan Disputations IV von Cicero
Paragraph 1, Zeile 1 Tusculan Disputations V von Cicero
Paragraph 1, Zeile 16 De Natura Deorum II von Cicero
Paragraph 5, Zeile 23 De Natura Deorum III von Cicero
Paragraph 1, Zeile 23 Philosophia: De Senectute von Cicero
Paragraph 46, Zeile 55 On Divination: De Divinatione Liber Prior von Cicero
Paragraph 37, Zeile 420 Letters To Atticus: Ad Atticum II von Cicero
Paragraph 4, Zeile 25 Letters To Atticus: Ad Atticum V von Cicero
Paragraph 30, Zeile 75 Letters To Atticus: Ad Atticum VIII von Cicero
Paragraph 22, Zeile 54