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.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.Catholic Public Domain Version
when he arrives to be glorified in his saints, and to become a wonder in all those who have believed, in that day, because our testimony has been believed by you