Mac Suibhne, S. (2009). "'Wrestle to be the man philosophy wished to make you': Marcus Aurelius, reflective practitioner". Reflective Practice. 10 (4): 429–436. doi:10.1080/14623940903138266. S2CID219711815.
Iain King suggests the books may also have been written for mental stimulation, as Aurelius was removed from the cultural and intellectual life of Rome for the first time in his life. Source: Thinker At War: Marcus Aurelius published August 2014, accessed November 2014.
Roberts, John, ed. 23 October 2011. "Aurēlius, Marcus." The Oxford Dictionary of the Classical World.
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Mac Suibhne, S. (2009). "'Wrestle to be the man philosophy wished to make you': Marcus Aurelius, reflective practitioner". Reflective Practice. 10 (4): 429–436. doi:10.1080/14623940903138266. S2CID219711815.