Galatians 6:13

For even they who receive circumcision do not keep the law themselves, but they desire to have you circumcised, that they may boast in your flesh.

Matthew 23:3

All which they will say unto you, observe and do; but their works do not do, because they say, and do not do.

Matthew 23:23

"Woe to you, scribes and Pharisees, hypocrites. For you tithe mint, dill, and cumin, and have left undone the weightier matters of the Law: justice, mercy, and faith. But you ought to have done these, and not to have left the other undone.

Romans 2:17-25

But if you call yourself a Jew, and rely on the law, and boast in God,

Romans 3:9-19

What then? Are we better than they? No, in no way. For we previously warned both Jews and Greeks, that they are all under sin.

1 Corinthians 3:21

Therefore let no one boast in men. For all things are yours,

1 Corinthians 5:6

Your boasting is not good. Do you not know that a little yeast leavens the whole lump?

2 Corinthians 11:18

Seeing that many boast after the flesh, I will also boast.

Philippians 3:3

For we are the circumcision, who worship God in the Spirit, and rejoice in Christ Jesus, and have no confidence in the flesh;

2 Peter 2:19

promising them liberty, while they themselves are bondservants of corruption; for a man is brought into bondage by whoever overcomes him.

Treasury of Scripture Knowledge

Summary

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

Bible References

Keep

Matthew 23:3
All which they will say unto you, observe and do; but their works do not do, because they say, and do not do.
Romans 2:17
But if you call yourself a Jew, and rely on the law, and boast in God,
Romans 3:9
What then? Are we better than they? No, in no way. For we previously warned both Jews and Greeks, that they are all under sin.
2 Peter 2:19
promising them liberty, while they themselves are bondservants of corruption; for a man is brought into bondage by whoever overcomes him.

That they may

1 Corinthians 3:21
Therefore let no one boast in men. For all things are yours,
1 Corinthians 5:6
Your boasting is not good. Do you not know that a little yeast leavens the whole lump?
2 Corinthians 11:18
Seeing that many boast after the flesh, I will also boast.

General references

Matthew 23:4
For they bind heavy burdens that are grievous to be borne, and lay them on men's shoulders; but they themselves will not lift a finger to help them.
Luke 5:38
But new wine must be put into fresh wineskins.
1 Corinthians 1:31
so that, as it is written, "Let him who boasts, boast in the Lord."
2 Corinthians 10:17
But "he who boasts, let him boast in the Lord."