Section XLVIII. Seneca Lucilio Suo Salutem, Paragraph 1, Line 2 Epistulae Morales Ad Lucilium: Epistulae Morales, Liber VIII by Seneca
Section LXXIII. Seneca Lucilio Suo Salutem, Paragraph 1, Line 7 Epistulae Morales Ad Lucilium: Epistulae Morales, Liber XIV & XV by Seneca
Section XC. Seneca Lvcilio Suo Salutem, Paragraph 1, Line 3 Quaestiones Naturales I by Seneca
Section Praefatio, Paragraph 1, Line 6