1884 The Duke's version of Hamlet's soliloquy, combining elements of other speeches by Hamlet and pieces of Macbeth. The Adventures of Huckleberry Finn, ch.21.
Words inscribed upon the mantle of gonfalonier given to his son Cesare Borgia on March 29, 1499. "The Life of Cesare Borgia". Book by Rafael Sabatini, Chapter IV: "Gonfalonier of the Church", 1912.
Epictetus, Marcus Aurelius, Lucius Annaeus Seneca (2016). “Stoic Six Pack: Meditations of Marcus Aurelius, Golden Sayings, Fragments and Discourses of Epictetus, Letters from a Stoic and The Enchiridion”, p.116, Enhanced Media Publishing