The Greek Anthology, translated by W. R. Paton (Loeb Edition), page 128. Meditations of Marcus Aurelius, Index, LTM at Saint Louis University. The Meditations of Marcus Aurelius in Latin (versio Schulziana) © 2005.
Paedagogica Index. Genesis, chapter 1, verse 1. Homer, Iliad, Book 1, line 1. C. Julius Caesar, De bello Gallico, COMMENTARIUS PRIMUS, chapter 1, section 1.