That which he hath seen and heard, this he testifieth; or, beareth witness to. His pre-existent glory with the Father makes him the adequate Witness to the heavenly things ( ἐπουράνια) of which he hath authoritatively spoken; i.
e. the eternal love of the Father, the purpose of the Son being sent into the world from the heart of God, and its ultimate issues—eternal life to the believer, and condemnation to those who love the darkness and do not believe.
Westcott, who regards these words as the free reflections of the evangelist, thinks that reference is being made to the continued testimony of the Church as the voice of Christ; but the spirit of the passage is obscured by this interpretation.
The living present vocal testimony of Christ is being throughout contrasted with that of John. And no man receiveth his witness. This seems in direct antagonism to the language of the disciples, "All men come to him;" and to John's own language, "He must increase."
Westcott regards it, again, as the melancholy reflection of the aged apostle towards the close of the century. This seems to me to be an inadequate explanation. The reception of the witness of Christ had moved the whole world when John wrote his Gospel; and it would be inconsistent with the tone of exhilaration with which the evangelist closes his work.
The forerunner may, however, have used this strong expression in purposed contrast to the jealous language of his own followers. "No man"—in comparison with the multitudes who ought to have already accepted him as the Son of God, as the heavenly Bridegroom.
The concourse who crowded to the baptism of Jesus for a little moment did not blind the Baptist to the persistent and malignant opposition which awaited Jesus. "His joy (verse 29) and his grief (verse 32) both formed a noble contrast to the jealousy of his own disciples" (Meyer).