The Lord knoweth how (oiden kurio). The actual apodosis of the long protasis begun in verse 2 Thessalonians 4 . God can deliver his servants as shown by Noah and Lot and he will deliver you. The idiomatic use of oida and the infinitive (ruesqai present middle and see verse 2 Thessalonians 7 ) for knowing how as in Matthew 7:11 ; James 4:17 . The godly (eusebei). Old anarthrous adjective (from eu and sebomai, to worship), in N.T. only here and Acts 10:2Acts 10:7 (by Peter). For temptation (peirasmou) see James 1:2James 1:12 ; 1 Peter 1:6 . To keep (threin). Present active infinitive of threw after oiden. Unrighteous (adikou). As in 1 Peter 3:18 . Under punishment (kolazomenou). Present passive participle of kolazw, old verb (from kolo, lopped off), in N.T. only here and Acts 4:21 . Present tense emphasises continuity of the punishment. See kolasin aiwnion in Matthew 25:46 .