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1:45 Jesus of Nazareth - So Philip thought, not knowing he was born in Bethlehem. Nathanael was probably the same with Bartholomew, that is, the son of Tholomew. St. Matthew joins Bartholomew with Philip, Mat 10:3, and St. John places Nathanael in the midst of the apostles, immediately after Thomas, Joh 21:2, just as Bartholomew is placed, Act 1:13.
1:46 Can any good thing come out of Nazareth? - How cautiously should we guard against popular prejudices? When these had once possessed so honest a heart as that of Nathanael, they led him to suspect the blessed Jesus himself for an impostor, because he had been brought up at Nazareth. But his integrity prevailed over that foolish bias, and laid him open to the force of evidence, which a candid inquirer will always be glad to admit, even when it brings the most unexpected discoveries. Can any good thing - That is, have we ground from Scripture to expect the Messiah, or any eminent prophet from Nazareth? Philip saith, Come and see - The same answer which he had received himself from our Lord the day before.
1:48 Under the fig tree I saw thee - Perhaps at prayer.
1:49 Nathanael answered - Happy are they that are ready to believe, swift to receive the truth and grace of God. Thou art the Son of God - So he acknowledges now more than he had heard from Philip: The Son of God, the king of Israel - A confession both of the person and office of Christ.
1:51 Hereafter ye shall see - All of these, as well as thou, who believe on me now in my state of humiliation, shall hereafter see me come in my glory, and all the angels of God with me.This seems the most natural sense of the words, though they may also refer to his ascension.
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3:12 Who was of the wicked one - Who showed he was a child of the devil by killing his brother. And wherefore slew he him - For any fault? No, but just the reverse; for his goodness.
3:13 Marvel not if the world hate you - For the same cause.
3:14 We know - As if he had said, We ourselves could not love our brethren, unless we were passed from spiritual death to life, that is, born of God. He that loveth not his brother abideth in death - That is, is not born of God. And he that is not born of God, cannot love his brother.
3:15 He, I say, abideth in spiritual death, is void of the life of God. For whosoever hateth his brother, and there is no medium between loving and hating him, is, in God's account, a murderer: every degree of hatred being a degree of the same temper which moved Cain to murder his brother. And no murderer hath eternal life abiding in him - But every loving believer hath.For love is the beginning of eternal life. It is the same, in substance, with glory.
3:16 The word God is not in the original. It was omitted by the apostle just as the particular name is omitted by Mary, when she says to the gardener, "Sir, if thou hast borne him hence;" and by the church, when she says, "Let him kiss me with the kisses of his mouth," Sol 1:2; in both which places there is a language, a very emphatical language, even in silence. It declares how totally the thoughts were possessed by the blessed and glorious subject. It expresses also the superlative dignity and amiableness of the person meant, as though He, and He alone, was, or deserved to be, both known and admired by all. Because he laid down his life - Not merely for sinners, but for us in particular. From this truth believed, from this blessing enjoyed, the love of our brethren takes its rise, which may very justly be admitted as an evidence that our faith is no delusion.
3:17 But whoso hath this world's good - Worldly substance, far less valuable than life. And seeth his brother have need - The very sight of want knocks at the door of the spectator's heart.And shutteth up - Whether asked or not. His bowels of compassion from him, how dwelleth the love of God in him - Certainly not at all, however he may talk, Jo1 3:18,of loving God.
3:18 Not in word - Only. But in deed - In action: not in tongue by empty professions, but in truth.
3:19 And hereby we know - We have a farther proof by this real, operative love. That we are of the truth - That we have true faith, that we are true children of God. And shall assure our hearts before him - Shall enjoy the assurance of his favour, and the "testimony of a good conscience toward God." The heart, in St. John's language, is the conscience. The word conscience is not found in his writings.
3:20 For if we have not this testimony, if in anything our heart, our own conscience, condemn us, much more does God, who is greater than our heart - An infinitely holier and a more impartial Judge. And knoweth all things - So that there is no hope of hiding it from him.
3:21 If our heart condemn us not - If our conscience, duly enlightened by the word and Spirit of God, and comparing all our thoughts, words, and works with that word, pronounce that they agree therewith. Then have we confidence toward God - Not only our consciousness of his favour continues and increases, but we have a full persuasion, that whatsoever we ask we shall receive of him.