Marcus Aurelius 17 Μαρτίου, 2019 από http://readingbookstoknowourselves.com/2019/03/17/%ce%bc%ce%ac%cf%81%ce%ba%ce%bf%cf%82-%ce%b1%cf%85%cf%81%ce%ae%ce%bb%ce%b9%ce%bf%cf%82-marcus-aurelius/
