Paragraph 1, Line 4 Letters To Friends: Ad Familiares XV by Cicero
Paragraph 2, Line 3 Epistulae Morales Ad Lucilium: Epistulae Morales, Liber IIII by Seneca
Section XXV. Seneca Lucilio Suo Salutem, Paragraph 1, Line 7 Quaestiones Naturales I by Seneca
Section Liber Primus, Paragraph 17, Line 17 Quaestiones Naturales VI by Seneca
Paragraph 42, Line 42 Dialogi: On the Good Life by Seneca
Section II., Paragraph 1, Line 1 Dialogi: On Clemency by Seneca
Section VIII., Paragraph 1, Line 1