Epictetus in Wikipedia
Epictetus (Greek: Ἐπίκτητος; AD 55–AD 135) was a Greek Stoic
philosopher. He was born a slave at Hierapolis, Phrygia
(present day Pamukkale, Turkey), and lived in Rome until
banishment when he went to Nicopolis in northwestern Greece
where he lived the rest of his life. His teachings were noted
down and published by his pupil Arrian in his Discourses.
Philosophy, he taught, is a way of life and not just a
theoretical discipline. To Epictetus, all external events are
determined by fate, and are thus beyond our control, but we
can accept whatever happens calmly and dispassionately.
Individuals, however, are responsible for their own actions,
which they can examine and control through rigorous self-
discipline. Suffering arises from trying to control what is
uncontrollable, or from neglecting what is within our power.
As part of the universal city that is the universe, human
beings have a duty to care for all fellow humans. The person
who followed these precepts would achieve happiness...
Read More about Epictetus in Wikipedia