Noticed what he said on page 171 (Chapter 12), regarding Genesis 18:14, in which the Lord appeared to Abraham:
Then Abraham made some bread and took a tender calf, and he brought some curds and milk and the calf which he had prepared, and set them before God, who ate and said: "I will surely return to you about this time next year, and Sarah your wife will have a son" (Gen. 18:10). By these words God meant that He would be born as Isaac. [emphasis mine]
And then on page 185 (Chapter 12), regarding Genesis 18:1-10, Galatians 3:16, and John 8:56, he says:
The above passages show that Abraham, who firmly believed in God's promise that He would return to him at the appointed time and be born as his [Abraham's] son through the body of Sarah, rejoiced at the thought of seeing the birth of Isaac, and he saw it and was glad. [emphasis mine]
So we see that Ahnsahnghong believed that Isaac was God born in the flesh through Sarah.
Now think about this... How could it be possible for Isaac to be God incarnate?
Isaac was afraid and lied, saying Rebekah was his sister instead of his wife (Genesis 26).
Isaac was deceived by his son Jacob (Genesis 27--see how distressed he is at being tricked in verse 33).
Is God ever afraid? Does God ever lie? Can anyone deceive God? No.
When God said that He would return in a year and Sarah would have a son, He did not mean that He (God) would be that son.
Jesus said, in John 8:56, "Your father Abraham rejoiced at the thought of seeing my day; he saw it and was glad." He did not mean "my day" was "the day of Isaac's birth."
Jesus meant that Abraham rejoiced at the thought of God's promise being fulfilled, that all people on earth would be blessed through him (Gen. 12:2-3). "My day" refers to the time of Jesus, for all people on earth are blessed because of Him.
Ahnsahnghong was mistaken. Isaac was not God.
God does not make mistakes. Ahnsahnghong was not God either.