The Consolation of Philosophy, is a philosophical work by the Roman philosopher Boethius, written in the early 6th century while he was imprisoned and awaiting execution by the Ostrogothic King Theodoric. The work takes the form of a dialogue between Boethius and a personified figure of Philosophy, who arrives to comfort him during his imprisonment. The central theme explores the idea of true happiness and how it can be achieved, ultimately critiquing the fleeting nature of fortune and material success. At the start of the text, Boethius presents himself in a state of despair, lamenting the misfortunes that have struck him after a period of great prosperity. Philosophy instruction on the nature of fortune and happiness, good and evil, fate and free will, restore his health and bring him to enlightenment. Boethius' The Consolation of Philosophy heavily influenced the philosophy of late antiquity, as well as Medieval and early Renaissance Christianity, It was extremely popular throughout medieval Europe.