References.
1. Discourses of Epictetus, 3.24.
2. Elizabeth Carter; Epictetus (9 July 2017). The Complete Works of Epictetus. Independently Published. ISBN 978-1521800355.
3. Rowan Stevens (28 February 2022). Wise Quotes – Epictetus (294 Epictetus Quotes): Greek Stoic
4. Epictetus, Discourses. i.7.32.
5. Epictetus, Discourses, i.9.29.
6. Origen, Contra Celcus. vii.
7. Simplicius, Commentary on the Enchiridion, 13.
8. Douglas J. Soccio, Archetypes of Wisdom: An Introduction to Philosophy (2012), p. 197
9. Suetonius, Domitian, x.
10. Epictetus, Discourses, prologue.
11. Epictetus, Discourses, i.11; ii.14; iii.2.1–6;iii.4; iii. 7; etc.
12. Enchiridion, 52
13. Epictetus, Enchiridion, 1
14. Enchiridion, 6
15. Enchiridion, 29
16. Enchiridion, 24, 37
17. Obituary: Vice Admiral James Stockdale The Guardian 2005
18. B., Stockdale, James (1995). Thoughts of a philosophical fighter pilot. Stanford, Calif.: Hoover Institution Press. ISBN 0817993916. OCLC 32625408.
19. Burkeman, Oliver (2007-08-10). "Albert Ellis: Influential American psychologist who led the revolution in cognitive therapy". The Guardian.
20. Thanks to Professor John Callaghan . Prof of Politics and Contemporary History. University of Salford for his help in identifying the three phases of the History of Stoicism.
Reading List.
50 Spiritual Classics. Tom Butler- Brown Nicholas Brealey Publishing 2017
Works by Epictetus at Project Gutenberg.
All the Works of Epictetus, Which are Now Extant, Elizabeth Carter (trans.) (1758) ISBN 978-1171001867
Discourses, Fragments, Handbook, Robin Hard (trans.), Oxford: Oxford University Press, 2014. ISBN 978-0199595181