Bible Verses About Union With Christ: Our being in Christ

I know a man in Christ aboue fourteene yeeres agone, (whether he were in the body, I can not tell, or out of the body, I can not tell: God knoweth) which was taken vp into the thirde heauen.

But we know that that Sone of God is come, and hath giue vs a mind to know him, which is true: and we are in him that is true, that is, in that his Sone Iesus Christ: this same is that very God, and that eternal life.