Bible Verses About Union With Christ: Our being in Christ

I know a man in union with the Messiah who fourteen years ago was snatched up to the third heaven; whether he was in the body or outside the body I don’t know, God knows.

And we know that the Son of God has come and has given us discernment, so that we may know who is genuine; moreover, we are united with the One who is genuine, united with his Son Yeshua the Messiah. He is the genuine God and eternal life.