Psalms 21:8-12

Verse 8

Thine hand shall find out - Thy uncontrollable power shall find out all thine enemies, wheresoever hidden or howsoever secret. God knows the secret sinner, and where the workers of iniquity hide themselves.
Verse 9

Thou shalt make them as a fiery oven - By thy wrath they shall be burnt up, and they shall be the means of consuming others. One class of sinners shall, in God's judgments, be the means of destroying another class; and at last themselves shall be destroyed.
Verse 10

Their fruit shalt thou destroy - Even their posterity shall be cut off, and thus their memorial shall perish.
Verse 11

For they intended evil - Sinners shall not be permitted to do all that is in their power against the godly; much less shall they be able to perform all that they wish.
Verse 12

Therefore shalt thou make them turn their back - God can in a moment strike the most powerful and numerous army, even in the moment of victory, with panic; and then even the lame, the army which they had nearly routed, shall take the prey, and divide the spoil.

Against the face of them - Thou shalt cause them to turn their backs and fly, as if a volley of arrows had been discharged in their faces. This seems to be the sense of this difficult verse.
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