John 17:8, 21, 23, 25

For the words which You gave Me I have given them; and they received and accepted them and truly understood [with confident assurance] that I came from You [from Your presence], and they believed [without any doubt] that You sent Me.

that they all may be one; just as You, Father, are in Me and I in You, that they also may be one in Us, so that the world may believe [without any doubt] that You sent Me.

I in them and You in Me, that they may be perfected and completed into one, so that the world may know [without any doubt] that You sent Me, and [that You] have loved them, just as You have loved Me.

“O just and righteous Father, although the world has not known You and has never acknowledged You [and the revelation of Your mercy],yet I have always known You; and these [believers] know [without any doubt] that You sent Me