Who said "Strength is not in the body but the will."?

This quote is attributed to Geoffrey Chaucer.

Strength is not in the body but the will. - Geoffrey Chaucer

"Strength is not in the body but the will."

Geoffrey Chaucer Strength

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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."