Epictetus 
The Enchiridion by Epictetus [EPUB ebook] 

Read ‘The Enchiridion’ by Epictetus to discover the philosophy of stoicism and its transformational power. Epictetus provides helpful advice in this condensed and approachable work on obtaining inner peace, controlling one’s emotions, and leading a moral life. For anyone looking to live a more purposeful and happy life, ‘The Enchiridion’ is an essential resource, regardless of experience level with the Stoic philosophy.’