Nathanael said unto him, Where do you know me? Jesus answered and said unto him,
Before Philip called you, when you were under the fig tree, I saw you.
All Commentaries on John 1:48 Go To John 1
Cyril of Alexandria
AD 444
Whence knowest thou me?
Nathanael begins to wonder, and is called to a now firm faith: but desires yet to learn, whence He has the knowledge concerning him. For very accurate are learning-seeking and pious souls. But perhaps he supposed that somewhat of him had been shewn to the Lord by Philip.