2Th 1:10 | RWP | e4.org | When he shall come ( οταν ελθη ). Second aorist active subjunctive with οταν , future and indefinite temporal clause (Robertson, Grammar , pp. 971ff.) coincident with εν τη αποκαλυψε in verse . To be glorified ( ενδοξασθηνα ). First aorist passive infinitive (purpose) of ενδοξαζω , late verb, in N.T. only here and verse , in LXX and papyri. In his saints ( εν τοις αγιοις αυτου ). The sphere in which Christ will find his glory at the Revelation. And to be marvelled at ( κα θαυμασθηνα ). First aorist passive infinitive (purpose), common verb θαυμαζω . That believed ( τοις πιστευσασιν ). Why aorist active participle instead of present active πιστευουσιν (that believe)? Frame thinks that Paul thus reassures those who believed his message when there ( .; .). The parenthetical clause, though difficult, falls in with this idea: Because our testimony unto you was believed ( οτ επιστευθη το μαρτυριον ημων εφ' υμας ). Moffatt calls it an anti-climax. On that day ( εν τη ημερα εκεινη ). The day of Christ's coming ( , ; ).

‏ 2 Thessalonians 1:10

When he shall come ( οταν ελθη ). Second aorist active subjunctive with οταν, future and indefinite temporal clause (Robertson, Grammar, pp. 971ff.) coincident with εν τη αποκαλυψε in verse 7.

To be glorified ( ενδοξασθηνα ). First aorist passive infinitive (purpose) of ενδοξαζω, late verb, in N.T. only here and verse 12, in LXX and papyri.

In his saints ( εν τοις αγιοις αυτου ). The sphere in which Christ will find his glory at the Revelation.

And to be marvelled at ( κα θαυμασθηνα ). First aorist passive infinitive (purpose), common verb θαυμαζω.

That believed ( τοις πιστευσασιν ). Why aorist active participle instead of present active πιστευουσιν (that believe)? Frame thinks that Paul thus reassures those who believed his message when there (1Th 1:6ff.; 2:13f.). The parenthetical clause, though difficult, falls in with this idea:

Because our testimony unto you was believed ( οτ επιστευθη το μαρτυριον ημων εφ' υμας ). Moffatt calls it an anti-climax.

On that day ( εν τη ημερα εκεινη ). The day of Christ's coming (2Ti 1:12, 18; 4:8).