2 Thessalonians 1:10

10 on the day he comes to be glorified in his holy people and to be marveled at among all those who have believed. This includes you, because you believed our testimony to you.

Read 2 Thessalonians 1:10 Using Other Translations

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.
when he comes on that day to be glorified in his saints, and to be marveled at among all who have believed, because our testimony to you was believed.
When he comes on that day, he will receive glory from his holy people—praise from all who believe. And this includes you, for you believed what we told you about him.