“Now it came to pass after these things that God tested Abraham, and said to him . . . , “Take now your son, your only son Isaac, whom you love, and go to the land of Moriah, and offer him there as a burnt offering.” Gen. 22:1, 2.
I say to you that God is able to raise up children to Abraham from these stones. Matt. 3:9.
If you are Christ’s, then you are Abraham’s seed, and heirs according to the promise. Gal. 3:29.
Now we, brethren, as Isaac was, are children of promise. Gal. 4:28.
This man was not only the prophet of faith, but also the father of those who from among the Gentiles believe in Jesus Christ. That is because his faith and ours are one and the same. Irenaeus (c. 180, E/W), 1.492.
“The promise of God that He gave to Abraham remains steadfast. . . . For his seed is the church, which receives the adoption of God through the Lord, as John the Baptist said: “For God is able from the stones to raise up children to Abraham.” Thus also the apostle says in the Epistle to the Galatians: “But you, brethren, as Isaac was, are the children of the promise.” Irenaeus (c. 180, E/W), 1.561.
God had commanded even Abraham to make a sacrifice of his son. He did not do this to tempt [Abraham], but to prove his faith. Tertullian (c. 198, W), 3.684.”