l writings in twelve books by the Roman Emperor Marcus Aurelius (121-181 AD), in which he recorded private notes to himself and various ideas on Stoic Philosophy. The books were originally written in Ancient (Medieval) Greek by the Title (ta eis heauton) which translates to "That which is to Himself". The Purpose of which was to be used as a guidance for his personal improvement. They were written in different periods of the Emperor's life, in a very straightforward and simplified manner, since they were intended strictly for personal use. They reflect his personality, morals and inner thinking, as the text contains a lot of thoughts about spiritual freedom, inner peace, self judgement, ethical principles and other Stoic ideas about life, as well as philosophy, the general sense of "Being" and more.