John 17:23

1 John 3:1 NIV
See what great love the Father has lavished on us, that we should be called children of God! And that is what we are! The reason the world does not know us is that it did not know him.

John 16:27 NIV
No, the Father himself loves you because you have loved me and have believed that I came from God.

John 17:21 NIV
that all of them may be one, Father, just as you are in me and I am in you. May they also be in us so that the world may believe that you have sent me.