John 8:39

“They answered and said unto him, etc.] On account of his making mention of a father, whose works they did, and whom they imitated: Abraham is our father; meaning their only one, nor had they any other: Jesus saith unto them, if ye were Abraham’s children, ye would do the works of Abraham; for who should children imitate but their parents? Abraham was a merciful, charitable, and hospitable man, as well as a man of strict justice and integrity; he feared God, believed in him, and was ready to receive every message and revelation which came from him; and they are his genuine children and offspring, who walk in the steps of his faith, charity, justice, and piety: and this is a rule which the…”

“If ye were Abraham's children, ye would do the works of Abraham--He had just said He "knew they were Abraham's children," that is, according to the flesh; but the children of his faith and holiness they were not, but the reverse.”

“Abraham is our father - We are descended from Abraham. Of this the Jews boasted much, as being descended from such an illustrious man. See the notes at Matthew 3:9. As Jesus did not expressly say who he meant John 8:38 when he said they did the works of their father, they obstinately persisted in pretending not to understand him, as if they had said, “We acknowledge no other father but Abraham, and to charge us with being the offspring of another is slander and calumny.” If ye were Abraham’s children - The words “sons” and “children” are often used to denote those who imitate another or who have his spirit. See the notes at Matthew 1:1. Here it means, “if you were worthy to be called the…”

“Abraham: Joh 8:33 If: Joh 8:37; Mat 3:9, Mat 5:45; Rom 2:28, Rom 2:29, Rom 4:12, Rom 4:16, Rom 9:7; Gal 3:7, Gal 3:29; Jam 2:22-24 John 8:40”