Paragraph 2, Line 35 De Finibus Bonorum Et Malorum: De Finibus II by Cicero
Paragraph 1, Line 27 Tusculan Disputations II by Cicero
Paragraph 9, Line 10 Quaestiones Naturales VII by Seneca
Paragraph 18, Line 18 De Consolatione: On Consolation (ad Marciam) by Seneca
Section XVI., Paragraph 2, Line 2