17:26-18:15. Ibid., pp. 85-86.
19:24-20:5. De Oratore, III.xxxv.143. Trans. H. Rackham. "But if on the contrary we are trying to find the one thing that stands top of the whole list, the prize must go to the orator who possesses the learning. And if they allow him also to be a philosopher, that is the end of the dispute; but if they keep the two separate, they will come off second best in this, that the consummate orator possesses all the knowledge of the philosophers, but the range of philosophers does not necessarily include eloquence."
37:22-24. Brutus, vi. 23.
38:11-12. Horace, Epistles, I.ii.43. Trans. H. Ruston Fairclough. "... waiting for the river to run out: yet on it glides, and on it will glide, rolling its flood forever."
38:20-23. Richard Steele, Spectator, 484, 15 September 1712.
38:25-39:3. George Berkeley, "The Querist," in Works, ed. A. A. Luce and T. E. Jessop (London, 1948), IV, Query 203.
39:7-41:11. John Locke, "Some Thoughts Concerning Education," in Works (London, 1823), IX, 181-182.
47:10-19. Ibid., p. 182.
48:9-15. Ibid., p. 179. Sheridan indicates that Locke is discussing elocution, but his topic is writing and speaking.
49:9-13. Rhetorica ad Herennium, I.ii.3.