When he shall come to be glorified in his saints, and to be admired in all them that believe (because our testimony among you was believed) in that day.
Berean Study Bible (BSB) - 2 Thessalonians 1:10 >on the day He comes to be glorified in His saints and regarded with wonder by all who have believed, including you who have believed our testimony.
Textus Receptus (TR) - 2 Thessalonians 1:10 >ὅταν ἔλθῃ ἐνδοξασθῆναι ἐν τοῖς ἁγίοις αὐτοῦ, καὶ θαυμασθῆναι ἐν πᾶσι τοῖς πιστεύουσιν ὅτι ἐπιστεύθη τὸ μαρτύριον ἡμῶν ἐφ᾿ ὑμᾶς ἐν τῇ ἡμέρᾳ ἐκείνῃ.