Who said "Let no man boast of his courage until tested."?

This quote is attributed to Geoffrey Chaucer.

Let no man boast of his courage until tested. - Geoffrey Chaucer

"Let no man boast of his courage until tested."

Geoffrey Chaucer Courage

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."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

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