Who said "The Spirit is willing, but the flesh is weak"?

This quote is attributed to Jesus Christ.

The Spirit is willing, but the flesh is weak - Jesus Christ

"The Spirit is willing, but the flesh is weak"

Jesus Christ Strength

Religious Leader Teacher Judean -4–30

"Love one another as I have loved you"

"I am the way, the truth, and the life"

"Blessed are the peacemakers"

"Let the little children come to me"

"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."