John Gills Exposition of the Bible Commentary - Psalms 64:8
So shall they make their own tongue to fall upon themselves ,.... The evil things they have wished for, threatened unto, and imprecated on others, shall come upon themselves; the curses they have cursed others with shall come upon themselves; the pit they have dug for others, they fall into. So Haman, to whom some apply the psalm, was hanged on the gallows he made for Mordecai; and the accusers of Daniel, to whom others apply it, were cast into the same den of lions they procured for him;... read more
Matthew Henry's Complete Commentary - Psalms 64:7-10
We may observe here, I. The judgments of God which should certainly come upon these malicious persecutors of David. Though they encouraged themselves in their wickedness, here is that which, if they would believe and consider it, was enough to discourage them. And it is observable how the punishment answers the sin. 1. They shot at David secretly and suddenly, to wound him; but God shall shoot at them, for the ordains his arrows against the persecutors (Ps. 7:13), against the face of them, Ps.... read more