Bible Verses About Union With Christ: Includes union with the Father

That they all may bee one, as thou, O Father, art in me, and I in thee: euen that they may be also one in vs, that the worlde may beleeue that thou hast sent me.

Let therefore abide in you that same which ye haue heard from the beginning. If that which ye haue heard from the beginning, shall remaine in you, ye also shall continue in the Sonne, and in the Father.