(36) While ye have light, believe in the light.--Better, as above, According as ye have the light. The words are repeated and placed in the most emphatic position in the sentence.

That ye may be the children of light.--Better, that ye may become sons of light. (Comp. for this phrase Notes on John 17:12; Luke 10:6; Luke 16:8; also Ephesians 5:8.) The thought here is the one familiar in St. John, that the believer should become like unto Him in whom he believed. Those who believed in the light should receive light, and become themselves centres whence light should radiate to others and illumine their own paths.

These things spake Jesus, and departed.--(Comp. Note on Luke 21:37.) He retired probably to Bethany.

Verse 36. - But he concludes with one more glorious invitation. As, up to this moment, you have the Light, Believe in the Light; treat it as light - receive the revelation I have given you (cf. the ninth and eleventh chapters); "Work while it is called today;" "stumble not;" make no irreparable mistake. "Become " - so walk that ye may become yourselves sons of Light, illumined and luminous. This fine expression is found in Luke 16:8; 1 Thessalonians 5:5; and, with alteration of υἱοὶ into τέκρα, in Ephesians 5:8. This last word, public word, of Jesus, which was in part accepted by some of his hearers, as we see from ver. 42, corresponds with the Beatitudes, and sustains one at least of the main theses of the prologue: "The Life was the Light of men." These things spake Jesus, and departed, and was hidden from them. This utterance records the close of the Lord's public ministry, and therefore the solemn termination of the various scenes and discourses preserved in the synoptic narrative. The people of his love saw him no more till he appeared as a criminal in the hands' of the officers of the Sanhedrin, on his way to the Praetorium. In the silence of the home- at Bethany he probably spent the last day of his earthly ministry, which terminated in the marvelous converse at the Last Supper. "This time it was no mere cloud which obscured the sun, for to them the sun itself had set." And now, through several verses, the evangelist presents his own reflections on the cause of the strange paradoxical proceeding which led "his own" not to receive him.

12:34-36 The people drew false notions from the Scriptures, because they overlooked the prophecies that spoke of Christ's sufferings and death. Our Lord warned them that the light would not long continue with them, and exhorted them to walk in it, before the darkness overtook them. Those who would walk in the light must believe in it, and follow Christ's directions. But those who have not faith, cannot behold what is set forth in Jesus, lifted up on the cross, and must be strangers to its influence as made known by the Holy Spirit; they find a thousand objections to excuse their unbelief.While ye have light, believe in the light,.... Receive the Messiah, and credit the Gospel revelation; this is an explanation of the exhortation in the preceding verse:

that ye may be the children of the light; that is, that they might appear to be such who are enlightened persons; and such are truly so, who are made light in the Lord, or who are enlightened by the Spirit of God to see their own sinfulness, impotency, and unrighteousness, and their need of Christ, and his righteousness and strength, and of salvation by him; and who are made meet, by the grace of God, to be partakers of the inheritance of the saints in light; and which is made manifest by believing in Christ, and walking on in him, as they have received him, and by walking honestly, as in the daytime, and circumspectly, not as fools, but as wise, for such walk as children of the light.

These things spake Jesus, and departed; from those Jews, as being unworthy of any further conversation with him; and from Jerusalem, very likely to Bethany, whither he frequently retired, especially at night, during the few days before the passover:

and did hide himself from them: for his safety, for he knew that they were irritated by what he said, and would seek to lay hold upon him, and deliver him to the sanhedrim; and whereas his hour was not yet fully come, there were a few more sands in the glass to run, he provided for his security, by absconding from them; and this was an emblem of his wholly removing from them, and leaving them, and their house, desolate; and it is very likely that from this time forward they saw him no more as ministering the word unto them; and also of his taking his Gospel from them in a little time, and of his hiding the things of it from them, which respected himself, and salvation by him.