On the Consolation of Philosophy
On the Consolation of Philosophy (Latin: De consolatione philosophiae), often titled as The Consolation of Philosophy or simply the Consolation, is a philosophical work by the Roman philosopher and Christian theologian Boethius. Written in 523 while he was imprisoned and awaiting execution by the Ostrogothic King Theodoric, it is often described as the last great Western work of the Classical Period.
Source: Wikipedia — On the Consolation of Philosophy (CC BY-SA 4.0)