6:15-21 Here were Christ's disciples in the way of duty, and Christ was praying for them; yet they were in distress. There may be perils and afflictions of this present time, where there is an interest in Christ. Clouds and darkness often surround the children of the light and of the day. They see Jesus walking on the sea. Even the approaches of comfort and deliverance often are so mistaken, as to become the occasions of fear. Nothing is more powerful to convince sinners than that word, I am Jesus whom thou persecutest; nothing more powerful to comfort saints than this, I am Jesus whom thou lovest. If we have received Christ Jesus the Lord, though the night be dark, and the wind high, yet we may comfort ourselves, we shall be at the shore before long.
15. departed … to a mountain himself alone—(1) to rest, which He came to this "desert place" on purpose to do before the miracle of the loaves, but could not for the multitude that followed Him (see Mr 6:31); and (2) "to pray" (Mt 14:23; Mr 6:46). But from His mountain-top He kept watching the ship (see on Joh 6:18), and doubtless prayed both for them, and with a view to the new manifestation which He was to give them of His glory.