Paragraph 1, Line 1 Philosophia: Academica by Cicero
Paragraph 15, Line 32 De Officiis I by Cicero
Paragraph 1, Line 13 Epistulae Morales Ad Lucilium: Epistulae Morales, Liber IV by Seneca
Section XXXI. Seneca Lvcilio Suo Salutem, Paragraph 1, Line 4 Dialogi: On the Good Life by Seneca
Section IV., Paragraph 1, Line 1