Paragraph 1, Line 35 Philosophia: Paradoxa by Cicero
Section PARADOXON V., Paragraph 1, Line 10 Philosophia: De Partitione by Cicero
Paragraph 1, Line 22 Philosophia: Brutus by Cicero
Paragraph 1, Line 4 De Re Publica III by Cicero
Paragraph 4, Line 9 De Legibus II by Cicero
Section Quintus: Quorsum istuc?, Paragraph 5, Line 9 De Finibus Bonorum Et Malorum: De Finibus II by Cicero
Paragraph 1, Line 8 De Finibus Bonorum Et Malorum: De Finibus III by Cicero
Paragraph 1, Line 5 Tusculan Disputations I by Cicero
Paragraph 41, Line 41 Tusculan Disputations IV by Cicero
Paragraph 3, Line 7 De Natura Deorum I by Cicero
Paragraph 13, Line 32 De Natura Deorum III by Cicero
Paragraph 1, Line 36