John Wesley on 2 Thessalonians 1:9

From the glory of his power - Tremble, ye stout - hearted. Everlasting destruction - As there can be no end of their sins, (the same enmity against God continuing,) so neither of their punishment; sin and its punishment running parallel throughout eternity itself. They must of necessity, therefore, be cut off from all good, and all possibility of it. From the presence of the Lord - Wherein chiefly consists the salvation of the righteous. What unspeakable punishment is implied even in falling short of this, supposing that nothing more were implied in his taking vengeance!