Galatians 5:6

For [if we are] in Christ Jesus neither circumcision nor uncircumcision means anything, but only faith activated and expressed and working through love.

1 Corinthians 7:19

Circumcision is nothing, and uncircumcision is nothing, but what matters is keeping the commandments of God.

1 Thessalonians 1:3

recalling unceasingly before our God and Father your work energized by faith, and your service motivated by love and unwavering hope in [the return of] our Lord Jesus Christ.

Galatians 6:15

For neither is circumcision anything [of any importance], nor uncircumcision, but [only] a new creation [which is the result of a new birth—a spiritual transformation—a new nature in Christ Jesus].

Galatians 3:28

There is [now no distinction in regard to salvation] neither Jew nor Greek, there is neither slave nor free, there is neither male nor female; for you [who believe] are all one in Christ Jesus [no one can claim a spiritual superiority].

Colossians 3:11

a renewal in which there is no [distinction between] Greek and Jew, circumcised and uncircumcised, [nor between nations whether] barbarian or Scythian, [nor in status whether] slave or free, but Christ is all, and in all [so believers are equal in Christ, without distinction].

1 John 3:14-20

We know that we have passed out of death into Life, because we love the brothers and sisters. He who does not love remains in [spiritual] death.

Matthew 25:31-40

“But when the Son of Man comes in His glory and majesty and all the angels with Him, then He will sit on the throne of His glory.

Romans 2:25-29

Circumcision [the sign of the covenant of Abraham] is indeed of value if you practice the Law; but if you habitually break the Law, your circumcision has become uncircumcision [it is meaningless in God’s sight].

Romans 3:29-31

Or is God the God of Jews only? Is He not also the God of Gentiles [who were not given the Law]? Yes, of Gentiles also,

2 Corinthians 5:14

For the love of Christ controls and compels us, because we have concluded this, that One died for all, therefore all died;

Galatians 5:2-3

Notice, it is I, Paul, who tells you that if you receive circumcision [as a supposed requirement of salvation], Christ will be of no benefit to you [for you will lack the faith in Christ that is necessary for salvation].

Hebrews 11:8

By faith Abraham, when he was called [by God], obeyed by going to a place which he was to receive as an inheritance; and he went, not knowing where he was going.

Hebrews 11:17-19

By faith Abraham, when he was tested [that is, as the testing of his faith was still in progress], offered up Isaac, and he who had received the promises [of God] was ready to sacrifice his only son [of promise];

James 2:14-26

What is the benefit, my fellow believers, if someone claims to have faith but has no [good] works [as evidence]? Can that [kind of] faith save him? [No, a mere claim of faith is not sufficient—genuine faith produces good works.]

1 Peter 1:8

Though you have not seen Him, you love Him; and though you do not even see Him now, you believe and trust in Him and you greatly rejoice and delight with inexpressible and glorious joy,

1 John 4:18-21

There is no fear in love [dread does not exist]. But perfect (complete, full-grown) love drives out fear, because fear involves [the expectation of divine] punishment, so the one who is afraid [of God’s judgment] is not perfected in love [has not grown into a sufficient understanding of God’s love].

Treasury of Scripture Knowledge

Summary

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

Bible References

In

Galatians 5:2
Notice, it is I, Paul, who tells you that if you receive circumcision [as a supposed requirement of salvation], Christ will be of no benefit to you [for you will lack the faith in Christ that is necessary for salvation].
Galatians 3:28
There is [now no distinction in regard to salvation] neither Jew nor Greek, there is neither slave nor free, there is neither male nor female; for you [who believe] are all one in Christ Jesus [no one can claim a spiritual superiority].
Galatians 6:15
For neither is circumcision anything [of any importance], nor uncircumcision, but [only] a new creation [which is the result of a new birth—a spiritual transformation—a new nature in Christ Jesus].
Romans 2:25
Circumcision [the sign of the covenant of Abraham] is indeed of value if you practice the Law; but if you habitually break the Law, your circumcision has become uncircumcision [it is meaningless in God’s sight].
Romans 3:29
Or is God the God of Jews only? Is He not also the God of Gentiles [who were not given the Law]? Yes, of Gentiles also,
1 Corinthians 7:19
Circumcision is nothing, and uncircumcision is nothing, but what matters is keeping the commandments of God.
Colossians 3:11
a renewal in which there is no [distinction between] Greek and Jew, circumcised and uncircumcised, [nor between nations whether] barbarian or Scythian, [nor in status whether] slave or free, but Christ is all, and in all [so believers are equal in Christ, without distinction].

General references

Genesis 26:5
because Abraham listened to and obeyed My voice and [consistently] kept My charge, My commandments, My statutes, and My laws.”
Leviticus 11:9
‘These you may eat, whatever is in the water: whatever has fins and scales in the waters, in the seas, and in the rivers, these you may eat;
Deuteronomy 30:15
“Listen closely, I have set before you today life and prosperity (good), and death and adversity (evil);
Luke 5:38
But new wine must be put into fresh wineskins.
John 14:15
“If you [really] love Me, you will keep and obey My commandments.
Romans 3:30
since indeed it is one [and the same] God who will justify the circumcised by faith [which began with Abraham] and the uncircumcised through [their newly acquired] faith.
Galatians 2:3
But [all went well, for] not even Titus, who was with me, was compelled [as some had anticipated] to be circumcised, despite the fact that he was a Greek.
Hebrews 13:1
Let love of your fellow believers continue.
1 John 4:21
And this commandment we have from Him, that the one who loves God should also [unselfishly] love his brother and seek the best for him.