Who said "To be at peace with oneself is the highest achievement."?

This quote is attributed to Herodotus.

To be at peace with oneself is the highest achievement. - Herodotus

"To be at peace with oneself is the highest achievement."

Herodotus Peace

Historian Ancient Greece 484–425

"Egypt is the gift of the Nile"

"In peace, sons bury their fathers; in war, fathers bury their sons"

"Very few things happen at the right time, and the rest do not happen at all"

"The secret is to know what you want"

"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."