He that has an ear, let him hear what the Spirit says unto the churches; To him that overcomes will I give to eat of the hidden manna, and will give him a white stone, and in the stone a new name written, which no man knows except him who receives it.
All Commentaries on Revelation 2:17 Go To Revelation 2
Irenaeus of Lyons
AD 202
But as the engrafted wild olive does not certainly lose the substance of its wood, but changes the quality of its fruit, and receives another name, being now not a wild olive, but a fruit-bearing olive, and is called so; so also, when man is grafted in by faith and receives the Spirit of God, he certainly does not lose the substance of flesh, but changes the quality of the fruit