“Philip findeth Nathanael, and saith unto him, We have found him, of whom Moses in the law, and the prophets, did write, Jesus of Nazareth, the son of Joseph.”
John 1:45 — Greek Interlinear
Church Fathers on John 1:45
After gaining these disciples, Christ proceeded to convert others, viz. Philip and Nathanael: The day following Jesus would go forth into Galilee.
Leaving, that is, Judea, where John was baptizing, out of respect to the Baptist, and not to appear to lower his office, so long as it continued. He was going too to call a disciple, and wished to go forth into Galilee, i.e. to a place of “transition” or “revelation,” that is to say, that as He Himself increased in wisdom or stature, and in favor with God and man, and as He suffered and rose again, and entered into His glory: so He would teach His followers to go forth, and…
For the voice of Christ sounded not like a common voice to some, that is, the faithful, but kindled in their inmost soul the love of Him. Philip having been continually meditating on Christ, and reading the books of Moses, so confidently expected Him, that the instant he saw, he believed. Perhaps too he had heard of Him from Andrew and Peter, coming from the same district; an explanation which the Evangelist seems to hint at, when he adds, Now Philip was of Bethsaida, the…