"Think. Alone with yourself" - are personal records of the Roman emperor Marcus Aurelius Antoninus, made by him in the 70's of the new era. The emperor kept a diary, which reflected on the concepts of citizenship, duty, honor, conscience, loyalty and justice. In the pages of this extraordinary document, we see the hard work of the individual to master the philosophy of the Stoics and the practical development of the Stoic tradition. Thus, the diary of Marcus Aurelius - one of the first examples in the history of mankind literature on self-improvement. Therefore, "Reflections. Alone with yourself" by Marcus Aurelius became one of the most popular monuments of world literature. The work of the ancient philosopher and leader of the empire attracts modern readers with wise reasoning, imagery and sometimes surprisingly relevant practical recommendations.