Treasury of Scripture Knowledge
And he received the sign of circumcision, a seal of the righteousness of the faith which he had yet being uncircumcised: that he might be the father of all them that believe, though they be not circumcised; that righteousness might be imputed unto them also:
This is my covenant, which you shall keep, between me and you and your seed after you. Every male among you shall be circumcised.
The blood shall be to you for a token on the houses where you are: and when I see the blood, I will pass over you, and there shall no plague be on you to destroy you, when I strike the land of Egypt.
"Speak also to the children of Israel, saying, 'Most certainly you shall keep my Sabbaths: for it is a sign between me and you throughout your generations; that you may know that I am Yahweh who sanctifies you.
Moreover also I gave them my Sabbaths, to be a sign between me and them, that they might know that I am Yahweh who sanctifies them.
For he is not a Jew who is one outwardly, neither is that circumcision which is outward in the flesh;
Yahweh your God will circumcise your heart, and the heart of your seed, to love Yahweh your God with all your heart, and with all your soul, that you may live.
2 Corinthians 1:22
who also sealed us, and gave us the down payment of the Spirit in our hearts.
in whom you also, having heard the word of the truth, the Good News of your salvation -- in whom, having also believed, you were sealed with the Holy Spirit of promise,
Don't grieve the Holy Spirit of God, in whom you were sealed for the day of redemption.
They were told that they should not hurt the grass of the earth, neither any green thing, neither any tree, but only those people who don't have God's seal on their foreheads.
For the promise to Abraham and to his seed that he should be heir of the world wasn't through the law, but through the righteousness of faith.
even the righteousness of God through faith in Jesus Christ to all and on all those who believe. For there is no distinction,
What shall we say then? That the Gentiles, who didn't follow after righteousness, attained to righteousness, even the righteousness which is of faith;
But the righteousness which is of faith says this, "Don't say in your heart, 'Who will ascend into heaven?' (that is, to bring Christ down);
For we, through the Spirit, by faith wait for the hope of righteousness.
and be found in him, not having a righteousness of my own, that which is of the law, but that which is through faith in Christ, the righteousness which is from God by faith;
By faith, Noah, being warned about things not yet seen, moved with godly fear, prepared a ship for the saving of his house, through which he condemned the world, and became heir of the righteousness which is according to faith.
2 Peter 1:1
Simon Peter, a servant and apostle of Jesus Christ, to those who have obtained a like precious faith with us in the righteousness of our God and Savior, Jesus Christ:
Even as David also pronounces blessing on the man to whom God counts righteousness apart from works,
I will make of you a great nation. I will bless you and make your name great. You will be a blessing.
Abraham was ninety-nine years old, when he was circumcised in the flesh of his foreskin.
In the eighth day the flesh of his foreskin shall be circumcised.
No man having drunk old wine immediately desires new, for he says, 'The old is better.'"
"Can any man forbid the water, that these who have received the Holy Spirit as well as we should not be baptized?"
since indeed there is one God who will justify the circumcised by faith, and the uncircumcised through faith.
So then, those who are of faith are blessed with the faithful Abraham.