John Calvin Commentary Galatians 3:9

"So then they that are of faith are blessed with the faithful Abraham." — Galatians 3:9 (ASV)

Faithful Abraham. This expression is very emphatic. They are blessed, not with Abraham as circumcised, nor as entitled to boast of the works of the law, nor as a Hebrew, nor as relying on his own excellence, but with Abraham, who by faith alone obtained the blessing; for no personal quality is here taken into the account, but faith alone. The word Blessing is variously employed in Scripture: but here it signifies Adoption into the inheritance of eternal life.