John 8:56

Abraham, your father, rejoiced that he might see my day, my entrance into this world, my incarnation, my birth, my manifestation in Israel, my death and passion. (St. Irenæus, Origen, St. Cyril, &c.) — He waited with impatience for the deliverance of the whole world. He saw it, and was glad. He saw it in spirit, for God revealed it to him. He saw it approaching in the birth of his son Isaac, and in the miraculous deliverance of his dear son, when he was commanded to offer him in sacrifice to the Lord. The vivacity of his faith made him, as it were, present at the time of my birth, though then so far off. (St. Chrysostom, Leont., Theophylactus, Euthymius) — It is not unlikely that this patriarch, and the others who were with him, detained in limbo, were apprised of the incarnation and coming of the Messias, which would fill them with an effusion of inexpressible joy. (St. Chrysostom) — Christ here teaches us two things. 1. That he was before Abraham. 2. That the Jews were not true sons of Abraham, now treating so rudely him, who, even before his coming, had given the patriarch so much joy. (Calmet)

[1.] Christ asserts Abraham's prospect of him, and respect to him: Your father Abraham rejoiced to see my day, and he saw it, and was glad, v. 56. And by this he proves that he was not at all out of the way when he made himself greater than Abraham. Two things he here speaks of as instances of that patriarch's respect to the promised Messiah:—

Verses 54-59 Christ and all that are his, depend upon God for honour. Men may be able to dispute about God, yet may not know him. Such as know not God, and obey not the gospel of Christ, are put ( 2 Thessalonians. 1:8 ) earnestly desire to know more of him. Those who discern the dawn of the light of the Sun of Righteousness, wish to see his rising. "Before Abraham was, I AM." This speaks Abraham a creature, and our Lord the Creator; well, therefore, might he make himself greater than Abraham. I AM, is the name of God, Ex. 3:14 ; it speaks his self-existence; he is the First and the Last, ever the same, ( Revelation 1:8 ) . Thus he was not only before Abraham, but before all worlds, ( Proverbs 8:23 , John 1:1 ) . As Mediator, he was the appointed Messiah, long before Abraham; the Lamb slain from the foundation of the world, ( Revelation 13:8 ) . The Lord Jesus was made of God Wisdom, Righteousness, Sanctification, and Redemption, to Adam, and Abel, and all that lived and died by faith in him, before Abraham. The Jews were about to stone Jesus for blasphemy, but he withdrew; by his miraculous power he passed through them unhurt. Let us stedfastly profess what we know and believe concerning God; and if heirs of Abraham's faith, we shall rejoice in looking forward to that day when the Saviour shall appear in glory, to the confusion of his enemies, and to complete the salvation of all who believe in him.