Solomon
Proverbs 25:19KJV·traditional attribution

Confidence in an unfaithful man in time of trouble is like a broken tooth, and a foot out of joint.

Matthew Henry Presbyterian

1. The confidence of an unfaithful man (so some read it) will be like a broken tooth; his policy, his power, his interest, all that which he trusted in to support him in his wickedness, will fail him in time of trouble, Psa 52:7. 2.

John Gill Reformed Baptist

Confidence in an unfaithful man in time of trouble,.... It is not good to put confidence in any man, not in princes, nor in the best of men; much less in an unfaithful, prevaricating, and treacherous man; and especially in a time of distress and trouble, depending on his help and assistance, which is leaning on a broken reed, and trusting to a broken staff.

Keil & Delitzsch Lutheran

Pro 25:19 19 A worthless tooth and an unsteady foot - Trust in a faithless man in the day of need. The form רעה (with Mercha on the antepenult), Isa 29:19, takes the place of an inf. absol.; רעה here (about the tone syllable of which Dechî does not decide, thus without doubt Milra) is certainly not a subst.: tooth of breaking (Gesen.); for how...