Who said "Peace comes from within; do not seek it without."?

This quote is attributed to Augustine of Hippo.

Peace comes from within; do not seek it without. - Augustine of Hippo

"Peace comes from within; do not seek it without."

Augustine of Hippo Peace

Theologian-Philosopher North African 354–430

"Love is the beauty of the soul."

"Our hearts are restless until they rest in you."

"The world is a book, and those who do not travel read only one page."

"Patience is the companion of wisdom."

"Peace comes from a good conscience."

"Life is too short to hold grudges."

"A man's home is his sanctuary. It should be treated as such."

"The world is chaotic enough. At least your home should make sense."