Matthew 14:22

That He commands His disciples to enter the ship and to go across the sea, while He sends the multitudes away, and after that He goes up into the mountain to pray; He therein bids us to be within the Church, and to be in peril until such time as returning in His splendour He shall give salvation to all the people that shall be remaining of Israel, and shall for give their sins; and having dismissed them into His Father's kingdom, returning thanks to His Father, He shall sit down in His glory and majesty. Meanwhile the disciples are tossed by the wind and the waves; struggling against all the storms of this world, raised by the opposition of the unclean spirit.

And, having wrought the miracle, "straightway He constrained His disciples to get into a ship, and to go before Him unto the other side, while He sent the multitudes away." For even if He had seemed, when in sight, to be presenting an illusion, and not to have wrought a truth; yet surely not in His absence also. For this cause then, submitting His proceedings to an exact test, He commanded those that had got the memorials, and the proof of the miracles, to depart from Him. And besides this, when He is doing great works, He disposes elsewhere of the multitudes and the disciples, instructing us in nothing to follow after the glory that comes from the people, nor to collect a crowd about us. Now by saying, "He constrained them," He indicates the very close attendance of the disciples.

These words show that they left the Lord unwillingly, not desiring through their love for their teacher to be separated from Him even for a moment.

(De Cons. Ev. ii. 47.) This may seem contrary to that Matthew says, that having sent the multitudes away, He went up into a mountain that He might pray alone; and John again says, that it was on a mountain that He fed this same multitude. But since John himself says further, that after that miracle He retired to a mountain that He might not be held by the multitude, who sought to make Him a king, it is clear that He had come down from the mountain when He fed them. Nor do Matthew's words, He went up into a mountain alone to pray, disagree with this, though John says, When he knew that they would come to make him a king, he withdrew into a mountain himself alone. (John 6:15.) For the cause of His praying is not contrary to the cause of His retiring, for herein the Lord teaches us that we have great cause for prayer when we have cause for flight. Nor, again, is it contrary to this that Matthew says first, that He bade His disciples go into the boat, and then that He sent the multitudes away, and went into a mountain alone to pray; while John relates that He first withdrew to the mountain, and then, when it was late, his disciples went down to the sea, and when they had entered into a boat, &c. for who does not see that John is relating as afterwards done by His disciples what Jesus had commanded before He retired into the mountain?

(ubi sup.) But while Christ prays on high, the boat is tossed with great waves in the deep; and forasmuch as the waves rise, that boat can be tossed; but because Christ prays, it cannot be sunk. Think of that boat as the Church, and the stormy sea as this world.