"From “Hercules” to “Christmas Angel”: Kevin Sorbo talks about his personal journey and his role in GMC TV’s new yuletide film about the value of human kindness". Interview with John W. Kennedy, www.beliefnet.com.
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.55, Enhanced Media Publishing