God shall likewise destroy you forever, he shall take you away, and pluck you out of your dwelling place, and root you out of the land of the living. Selah.
Read Chapter 52
Augustine of Hippo
AD 430
7. Because of this there followeth in the Psalm, "Thou hast loved all words of sinking under" (ver. 5). Rescue therefore thyself, if thou canst, from sinking 'under. From shipwreck thou art fleeing, and dost embrace lead! If thou wilt not sink, catch at a plank, be borne on wood, let the Cross carry thee through. But now because thou art a Doeg the Edomite, a "motion," and "of earth," thou doest what? "Thou hast loved all words of sinking-under, a tongue deceitful." This hath preceded, words of sinking-under have followed a tongue deceitful. What is a tongue deceitful? A minister of guile is a tongue deceitful, of men bearing one thing in heart, another thing from mouth bringing forth. But in these is overthrowing, in these sinking under.
Thy, is not found in Hebrew. Doeg would not dare to enter the tabernacle, after he had slain the priests. (Calmet)
Houbigant properly supplies thy. (Berthier)
Living. The Jews inform us, that Doeg slew himself with his master at Gelboe, and that David punished his offspring with death. (Calmet)