Romans 4:11 TLB

[11] It wasn't until later on, after God had promised to bless him because of his faith, that he was circumcised. The circumcision ceremony was a sign that Abraham already had faith and that God had already accepted him and declared him just and good in his sight-before the ceremony took place. So Abraham is the spiritual father of those who believe and are saved without obeying Jewish laws. We see, then, that those who do not keep these rules are justified by God through faith.