Who said "The person who perfects themselves perfects the world."?

This quote is attributed to Epictetus.

The person who perfects themselves perfects the world. - Epictetus

"The person who perfects themselves perfects the world."

Epictetus Leadership

Stoic Philosopher Greek-Roman 50–135

"It is not things that disturb us, but our judgments about things."

"Freedom is not procured by a full enjoyment of what is desired, but by controlling the desire."

"No one can rob you of your free will."

"Wealth consists not in having great possessions, but in having few wants."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"