Galatians 6:13

For even the circumcised [Jews] themselves do not [really] keep the Law, but they want to have you circumcised so that they may boast in your flesh [that is, in the fact that they convinced you to be circumcised].

Matthew 23:3

so practice and observe everything they tell you, but do not do as they do; for they preach [things], but do not practice them.

Matthew 23:15

“Woe to you, [self-righteous] scribes and Pharisees, hypocrites, because you travel over sea and land to make a single proselyte (convert to Judaism), and when he becomes a convert, you make him twice as much a son of hell as you are.

Matthew 23:23

“Woe to you, [self-righteous] scribes and Pharisees, hypocrites! For you give a tenth (tithe) of your mint and dill and cumin [focusing on minor matters], and have neglected the weightier [more important moral and spiritual] provisions of the Law: justice and mercy and faithfulness; but these are the [primary] things you ought to have done without neglecting the others.

Romans 2:17-25

But if you bear the name “Jew” and rely on the Law [for your salvation] and boast in [your special relationship to] God,

Romans 3:9-19

Well then, are we [Jews] better off than they? Not at all; for we have already charged that both Jews and Greeks (Gentiles) are under the control of sin and subject to its power.

1 Corinthians 3:21

So let no one boast in men [about their wisdom, or of having this or that one as a leader]. For all things are yours,

1 Corinthians 5:6

Your boasting [over the supposed spirituality of your church] is not good [indeed, it is vulgar and inappropriate]. Do you not know that [just] a little leaven ferments the whole batch [of dough, just as a little sin corrupts a person or an entire church]?

2 Corinthians 11:18

Since many boast [of worldly things and brag] about human accomplishments, I will boast too.

Philippians 3:3

for we [who are born-again have been reborn from above—spiritually transformed, renewed, set apart for His purpose and] are the true circumcision, who worship in the Spirit of God and glory and take pride and exult in Christ Jesus and place no confidence [in what we have or who we are] in the flesh—

2 Peter 2:19

They promise them liberty, when they themselves are the slaves of depravity—for by whatever anyone is defeated and overcome, to that [person, thing, philosophy, or concept] he is continually enslaved.

Treasury of Scripture Knowledge

Summary

Galatians 6:13

For neither they themselves who are circumcised keep the law; but desire to have you circumcised, that they may glory in your flesh.

Keep

That they may

1 Corinthians 3:21

1 Corinthians 5:6

2 Corinthians 11:18

General references

Bible References

Keep

so practice and observe everything they tell you, but do not do as they do; for they preach [things], but do not practice them.

But if you bear the name “Jew” and rely on the Law [for your salvation] and boast in [your special relationship to] God,

Well then, are we [Jews] better off than they? Not at all; for we have already charged that both Jews and Greeks (Gentiles) are under the control of sin and subject to its power.

That they may

So let no one boast in men [about their wisdom, or of having this or that one as a leader]. For all things are yours,

Since many boast [of worldly things and brag] about human accomplishments, I will boast too.

General references

The scribes and Pharisees tie up heavy loads [that are hard to bear] and place them on men’s shoulders, but they themselves will not lift a finger [to make them lighter].

But new wine must be put into fresh wineskins.

so then, as it is written [in Scripture], “He who boasts and glories, let him boast and glory in the Lord.”

However, “Let him who boasts boast in the Lord.”