Paragraph 1, Line 435 Sermones: Sermonum Liber II by Horace
Paragraph 1, Line 75 Tusculan Disputations I by Cicero
Paragraph 19, Line 19 Epistulae Morales Ad Lucilium: Epistulae Morales, Liber IV by Seneca
Section XXXVI. Seneca Lucilio Suo Salutem, Paragraph 1, Line 1 Quaestiones Naturales III by Seneca
Section Praefatio, Paragraph 38, Line 56 Dialogi: On Providence by Seneca
Section IV., Paragraph 1, Line 1