Galatians 6:13

For those who are circumcised do not even keep the Law themselves, but they desire to have you circumcised so that they may boast in your flesh.

Matthew 23:3

So you must observe and do whatever they tell you. But do not do what they do; for they preach, but do not practice.

Matthew 23:15

"Woe to you, scribes and Pharisees, hypocrites! For you travel land and sea to win a single proselyte, and when he becomes one, you make him twice as much a son of hell as yourselves.

Matthew 23:23

"Woe to you, scribes and Pharisees, hypocrites! For you pay tithe of mint and dill and cummin, and have neglected the weightier matters of the Law, justice and mercy and faith. These you ought to have done, without neglecting the others.

Romans 2:17-25

But if you call yourself a Jew, and rely on the law and boast of your relation to God

Romans 3:9-19

What then? Are we Jews any better off? Certainly not; for we have already charged that all men, both Jews and Greeks, are under the power of sin.

1 Corinthians 3:21

So then let no one boast of men. For all things are yours,

1 Corinthians 5:6

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

2 Corinthians 11:18

Since many boast according to the flesh, I too will boast.

Philippians 3:3

For we are the true circumcision, who worship in the Spirit of God, and glory in Christ Jesus, and put no confidence in the flesh,

2 Peter 2:19

They promise them freedom, while they themselves are slaves of corruption; for whatever overcomes a man, to that he is enslaved.

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
So you must observe and do whatever they tell you. But do not do what they do; for they preach, but do not practice.
Romans 2:17
But if you call yourself a Jew, and rely on the law and boast of your relation to God
Romans 3:9
What then? Are we Jews any better off? Certainly not; for we have already charged that all men, both Jews and Greeks, are under the power of sin.
2 Peter 2:19
They promise them freedom, while they themselves are slaves of corruption; for whatever overcomes a man, to that he is enslaved.

That they may

1 Corinthians 3:21
So then let no one boast of men. For all things are yours,
1 Corinthians 5:6
Your boasting is not good. Do you not know that a little leaven leavens the whole lump of dough?
2 Corinthians 11:18
Since many boast according to the flesh, I too will boast.

General references

Matthew 23:4
They bind heavy burdens, hard to bear, and lay them on men's shoulders; but they themselves will not move them with their finger.
Luke 5:38
But new wine must be put into new wineskins.
1 Corinthians 1:31
therefore, as it is written, "Let him who boasts, boast in the Lord."
2 Corinthians 10:17
But, "Let him who boasts boast in the Lord."