Genesis 17:14
14 Any uncircumcised male who is not circumcised in the flesh of his foreskin shall be cut off from his people; he has broken my covenant.”
Numbers 9:13
13 But if anyone who is clean and is not on a journey fails to keep the Passover, othat person shall be cut off from his people because he did not bring the Lord’s poffering at its appointed time; that man shall bear his sin.