John 17:8, 21, 23, 25

for the words which thou gavest me I have given unto them; and they received them, and knew of a truth that I came forth from thee, and they believed that thou didst send me.

that they may all be one; even as thou, Father, art in me, and I in thee, that they also may be in us: that the world may believe that thou didst send me.

I in them, and thou in me, that they may be perfected into one; that the world may know that thou didst send me, and lovedst them, even as thou lovedst me.

O righteous Father, the world knew thee not, but I knew thee; and these knew that thou didst send me