Confidence in an unfaithful man in time of trouble is like a broken tooth, and a foot out of joint.
– Proverbs 25:19
The word for unfaithful means covering, or deceitful. The images of a broken tooth and foot out of joint depict pain as well as uselessness. The saying reveals it is worse than futile to trust in a treacherous man. It is painful, or damaging.