For since Nicodemus had said, "We know that Thou art a teacher come from God," on this very point He sets him right, all but saying, "Think Me not a teacher in such manner as were the many of the prophets who were of earth, for I have come from heaven (but) now. None of the prophets hath ascended up thither, but I dwell there."
-St. John Chrysostom, Homily 27 on John 3, 4th Century


For not in heaven only is He, but everywhere, and He fills all things; but yet He speaks according to the infirmity of His hearer, desiring to lead him up little by little ... For after having spoken of the very great benefaction that had come to man by Baptism, He proceeds to mention another benefaction, which was the cause of this, and not inferior to it; namely, that by the Cross ...
-St. John Chrysostom, Homily 27 on John 3, 4th Century