Albert Barnes Commentary Philippians 4:19

"And my God shall supply every need of yours according to his riches in glory in Christ Jesus." — Philippians 4:19 (ASV)

But my God shall supply all your need. This means, "You have shown your regard for me as a friend of God, by sending to me in my distress, and I am confident that, in return for all this, God will supply all your needs when you are in circumstances of necessity."

Paul's confidence in this seems not to have been founded on any specific revelation, but on the general principle that God would regard their offering with favor.

Nothing is lost, even in the present life, by doing good. In thousands of instances, it is abundantly repaid. The benevolent are not usually poor; and if they are, God often raises up benefactions for them and sends supplies in a manner as unexpected, and bearing proofs of divine interposition as decisive, as when supplies were sent by the ravens to the prophet.

According to his riches in glory .

The word "riches" here means his abundant fullness, his possessing all things, and his inexhaustible ability to supply their needs. The phrase, "in glory," is probably to be connected with the following phrase, "by Christ Jesus"; and means that the method of imparting supplies to people was through Jesus Christ and was a glorious method, or that it was done in a glorious manner. It is an expression Paul is accustomed to using when speaking of what God does. He is not satisfied with simply saying that it is so; but connects with it the idea that whatever God does is done in a way worthy of himself and so as to illustrate his own perfections.

By Christ Jesus. This means by the medium of Christ, or through him. All the favors that Paul expected for himself or his fellow men, he believed would be conferred through the Redeemer. Even the supply of our temporal needs comes to us through the Savior. If it were not for the atonement, there is no more reason to suppose that blessings would be conferred on human beings than that they would be on fallen angels. For them, no atonement has been made, and at the hand of justice, they have received only wretchedness and woe.