"... Addressing a Thessalonian church that has suffered at the hands of her countrymen (1 Thessalonians 2:14–16), Paul reminds the saints that ‘sudden destruction will come upon’ unbelievers at the dawning of the day of the Lord (1 Thessalonians 5:3). Paul’s description of the coming judgment echoes the imprecatory plea of Psalm 35:8—‘Let destruction come upon him when he does not know it!’—for the judgment the psalmist desired will finally come to fruition at the parousia when God destroys those who oppose him and oppress his people. Scholars typically have not noted an allusion to Psalm 35:8 in 1 Thessalonians 5:3, this is not entirely surprising given that (1) Paul is not following the more easily comparable Greek of the Septuagint Psalm 34:8, which differs from the Hebrew text, and (2) there are other allusions in this cluster of verses, most of which come through at a higher volume than the allusion to Psalm 35:8 ..."