Who said "War brings out both the best and worst in man."?

This quote is attributed to Geoffrey Chaucer.

War brings out both the best and worst in man. - Geoffrey Chaucer

"War brings out both the best and worst in man."

Geoffrey Chaucer War

Poet Writer English 1343–1400

"The greatest virtue is to speak the truth and operate with honor."

"Love is the greatest thing that God has bestowed upon mankind."

"Time and tide wait for no man."

"Knowledge is power."

"Some battles are worth fighting."

"Sometimes you have to become the monster to stop the monsters."

"Skynet sent me back through time to kill you."

"War teaches us the value of peace."