Who said "The spirit is willing, though the flesh may be weak."?

This quote is attributed to Ovid.

The spirit is willing, though the flesh may be weak. - Ovid

"The spirit is willing, though the flesh may be weak."

Ovid Strength

Poet Roman 43–17

"If you wish to be loved, love."

"The good time to leave is when you still want to."

"Nothing is so strong as gentleness, nothing so gentle as real strength."

"Chance is a word void of sense; nothing can happen without a cause."

"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."