Bede

God said again to Abraham: And you shall therefore keep my covenant, you and your offspring after you throughout their generations; this is my covenant which you shall keep between me and you and your offspring after you: Every male among you shall be circumcised; and you shall circumcise the flesh of your foreskin, and it shall be a sign of the covenant between me and you. …

Commentary on Genesis (Hexaemeron) ↗