>>18087898 (OP)
The point of circumcision is to uphold the covenant with God
To cut the foreskin is to show that you recognize that your design was corrupted with an extra part that must be removed. Circumcision of the flesh is merely symbolic, though. It doesn't save nor forgive. You have to accept Christ
The point of Isaac was also cultural
You have to understand that it was written at a time when human sacrifices were the absolute hot shit throughout the Levant.
The cliche was that the child/prisoner would be sacrificed to the gods, and then the child would be accepted to the heavenly throne to live amongst the divine, who would then bless the world
But here, God said no.
Just sacrifice the Ram.
It was a classic bait and switch aimed at attacking the Pagans for their barbarism
The point