John 5:36
"But the testimony which I have is weightier than that of John; for the work the Father has assigned to me for me to bring it to completion--the very work which I am doing--affords testimony concerning me that the Father has sent me.
John 6:38
For I have left Heaven and have come down to earth not to seek my own pleasure, but to do the will of Him who sent me.
John 5:30
"I can of my own self do nothing. As I am bidden, so I judge; and mine is a just judgement, because it is not my own will that guides me, but the will of Him who sent me.
John 11:42
I know that Thou always hearest me; but for the sake of the crowd standing round I have said this--that they may believe that Thou didst send me."
John 14:11
Believe me, all of you, that I am in the Father and that the Father is in me; or at any rate, believe me because of what I do.