“Charity vaunteth not itself” describes this aspect of God’s love that is void of haughtiness, void of any inkling of pride and boastfulness. “To vaunt” is “to boast”, “to make a vain display of one’s own worth”. Such boasting is vain and empty. The heart that is at peace with God does not need to elevate itself. The godly man that possesses God’s love has not the rebellious streak in the heart to elevate himself against his God, manifested by the need to elevate oneself over other men. This sin of pride began not on earth but in heaven when the most beautiful of God’s angel fell as a result of pride.