King James Version
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.English Standard Version
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.New International Version
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.