Nathanael answered and said unto him, Rabbi, you are the Son of God; you are the King of Israel.
All Commentaries on John 1:49 Go To John 1
Theophylact of Ochrid
AD 1107
Prophecy has great power, even greater than miracles, to move a man to believe. The demons are able to simulate miracles and appear to do them. But no one can have clear foreknowledge of future events, and predict them accurately, not even an angel, and even less so, the demons. Therefore the Lord drew Nathanael to Himself by telling him the place where he had been standing, and that Philip had called to him, and that he was a true Israelite. When he heard these things Nathanael sensed the greatness of the Lord, as much as he was able to at that time, and confessed Him to be the Son of God. Yet his confession was not the same as Peter's (See Mt. 16:16-18). Peter confessed Him to be the Son of God, that is, true God. Therefore the Lord blessed Peter, and entrusted the Church to him. But Nathanael confesses Him to be merely a man Who by grace and His own virtue has been adopted as a son of God. This is made clear by what he says next, Thou art the King of Israel. Do you see? Nathanael has not yet attained to the perfect knowledge of the true divinity of the Only-begotten. He believes in Him as a man beloved by God, and as the King of Israel. If he had confessed Him to be truly God, he would not have called Him the King of Israel, but the King of all. Therefore the Lord does not bless him, as He did Peter, but corrects him, and leads his thoughts upwards to comprehend something of His divinity. Ye shall see, He says, the angels of God ascending and descending upon the Son of Man. He is saying, "Do not understand Me to be merely a man, but rather the Master of the angels." He Whom the angels serve cannot be merely a man, but only true God.
All these things did, in fact, take place at His Crucifixion and Ascension. As the time of His Passion approached, an angel from heaven strengthened Him; at His Tomb there was an angel, and again at His Ascension, as Luke relates (see Acts 1:10-11). Some have understood the fig tree to represent the law. Like the fig, the law contains sweetness, but it is hard to get at, covered over, as with leaves, by the harshness of the legal observations and the difficulty of the commandments. They say, then, that the Lord saw Nathanael, that is, looked down graciously upon him, and knew his thoughts, while he was still under the law. Consider this interpretation as well, O reader, if you find it pleasing: the Lord saw Nathanael under the fig tree, that is, under the law, or, within the law, searching out its depths. If he had not been searching out the depth of the law, the Lord would not have seen him. Know this as well, that Galilee means "rolling down." The Lord, then, went forth to that place in this world which is sunk low, that is to say, to our human nature. And while we were still under the fig tree, under the sway of sweet sin, which is mixed with much bitterness on account of the regret and the punishments which follow, the Lover of man saw us, and chose those who confess Him to be the Son of God and the King of each one who sees God (for Israel means "seeing God"). Indeed, if we persevere with zeal, He will count us worthy to see greater things than these. We shall behold angels ascending to the height of divine knowledge of Him, and descending again, because they cannot know His unknowable essence. In another sense, a man ascends when he immerses himself in the study of the divinity of the Only-begotten, and he descends when he delights in the contemplation of His Incarnation and descent into hades.