Genesis 17:23

And Abraham took Ishmael his son, and all that were born in his house, and all that were bought with his money, every male among the men of Abraham's house; and circumcised the flesh of their foreskin, in the same day, as God had said to him.

Genesis 17:10-14

This is my covenant, which ye shall keep between me and you, and thy seed after thee; Every male-child among you shall be circumcised.

Genesis 17:26-27

In the same day was Abraham circumcised, and Ishmael his son.

Genesis 18:19

For I know him, that he will command his children and his household after him, and they will keep the way of the LORD, to do justice and judgment; that the LORD may bring upon Abraham that which he hath spoken of him.

Genesis 34:24

And to Hamor and to Shechem his son hearkened all that went out of the gate of his city: and every male was circumcised, all that went out of the gate of his city.

Joshua 5:2-9

At that time the LORD said to Joshua, Make thee sharp knives, and circumcise again the children of Israel the second time.

Psalm 119:60

I made haste, and delayed not to keep thy commandments.

Proverbs 27:1

Boast not thyself of to-morrow; for thou knowest not what a day may bring forth.

Ecclesiastes 9:10

Whatever thy hand findeth to do, do it with thy might; for there is no work, nor device, nor knowledge, nor wisdom, in the grave, whither thou goest.

Acts 16:3

Him would Paul have to go forth with him; and took and circumcised him, because of the Jews who were in those quarters: for they all knew that his father was a Greek.

Romans 2:25-29

For circumcision verily profiteth, if thou keepest the law; but if thou art a breaker of the law, thy circumcision is made uncircumcision.

Romans 4:9-12

Cometh this blessedness then upon the circumcision only, or upon the uncircumcision also? For we say that faith was reckoned to Abraham for righteousness.

1 Corinthians 7:18-19

Is any man called being circumcised? let him not become uncircumcised. Is any called in uncircumcision? let him not become circumcised.

Galatians 5:6

For in Jesus Christ neither circumcision availeth any thing, nor uncircumcision; but faith which worketh by love.

Galatians 6:15

For in Christ Jesus neither circumcision availeth any thing, nor uncircumcision, but a new creature.

Treasury of Scripture Knowledge

Summary

And Abraham took Ishmael his son, and all that were born in his house, and all that were bought with his money, every male among the men of Abraham's house; and circumcised the flesh of their foreskin in the selfsame day, as God had said unto him.

Bible References

General references

Genesis 6:22
Thus did Noah; according to all that God commanded him, so did he.
Genesis 22:3
And Abraham rose early in the morning, and saddled his ass, and took two of his young men with him, and Isaac his son, and cleft the wood for the burnt-offering, and rose and went to the place which God had named to him.
Genesis 26:5
Because that Abraham obeyed my voice, and kept my charge, my commandments, my statutes, and my laws.