PS 140 David prays and hopes for deliverance from his enemies, ver. 1-7. Foretells their destruction, ver. 8-13. To the chief musician, A psalm of David.

3. Tongues - Using words as sharp and piercing as the sting of a serpent.

9. Mischief - The mischief which they design against me, shall fall upon themselves.

10. Coals - Divine vengeance, which is compared to coals of fire.