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Circumcision: OT Survey

Genesis 17:1-14 Baptism

In this adult Sunday school class, Pastor Albert N. Martin begins a detailed survey of circumcision in the Old Testament, laying the groundwork for understanding its relationship to infant baptism. He expounds Genesis 17, tracing the institution of circumcision as a token of God's covenant with Abraham and his seed, emphasizing its physical nature and the consequences of neglect. Martin then explores passages in Deuteronomy and Jeremiah that introduce the concept of 'circumcision of the heart,' highlighting it as both man's duty (repentance and faith) and God's gift, and setting up a tension that the New Testament will resolve.

4 illustrations in this sermon

Institution of Circumcision in Genesis 17
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Circumcision as a Wedding Ring

Driving home: Intimate connection between circumcision and covenant. The responsibility to circumcise is called keeping the covenant and circumcision is identified with the covenant.

Circumcision is compared to a wedding ring, an outward and visible sign of an oath-sworn promise, illustrating its symbolic nature as a token of God's faithfulness.

It was a sign. It was an outward display and token of the fidelity of God's pledge. It's like a wedding ring. You follow me?

20:53 - 21:06 Read in full sermon
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Circumcision as a Duty-Bound Token

Driving home: Because it's a rainbow and a wedding ring which men are required to wear. So that the token of God's faithfulness becomes man's duty.

Circumcision is contrasted with a wedding ring or rainbow by noting that it is a token of God's faithfulness that men are required to wear, making it man's duty as well as God's sign.

But circumcision is unlike a wedding ring and it's unlike the rainbow in this vital distinctive. It's a token of God's faithfulness which is laid upon men as man's duty. See that? Unusual token.

21:42 - 22:00 Read in full sermon
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Being Cut Off as Excommunication/Exile

In this part of the sermon: Martin expounds Genesis 17, detailing God's appearance to Abraham, the change of his name, and the institution of circumcision as a token of the everlasting covenant with Abraham…

The consequence of being 'cut off' for not being circumcised is explained as excommunication, banishment, or exile from the community and the promised blessings, clarifying the severity of the penalty.

It's the one who's uncircumcised who is to be what shall we say? What's the word for yes but not exclaimed? Excommunicated. What do you do when you that's it banished or sent out of the land that's the idea banished exiled that's right thank you that's the word I was looking for exiled that someone is cut off he's exiled he's sent away from his homeland and his nation he's sent into exile he is to be cut off separated banished exiled from the people of God.

24:37 - 25:10 Read in full sermon
Circumcision of the Heart: Man's Duty in Deuteronomy 10
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Circumcising the Heart vs. Open Heart Surgery

The point: It is your duty, it is your duty, it is your responsibility to change the disposition of your hearts. Right now, you're impenitent. It's your duty to repent. Right now, you're unbelieving. It's your duty to believe.

The command to 'circumcise the foreskin of your heart' is clarified by stating it does not mean literal open-heart surgery, but rather a moral and spiritual transformation, emphasizing the figurative meaning.

Circumcise the foreskin. The foreskin of your heart. Now what were they called upon to do? Obviously you can't circumcise the foreskin of your heart with a knife. They weren't called upon to perform literal open heart surgery, and to open up all their chests and take some kind of foreskin off the organ that pumps the blood in their chest. That wasn't what they were asked to do. But they were asked to circumcise the foreskin of their heart, and notice what it means, and it says, and be no more stiff-necked. To be circumcised in heart is the opposite of being stiff-necked. And they were a stiff-...

34:39 - 35:40 Read in full sermon