Matthew 23:28

Though his hatred covers itself with guile, His evil will be revealed in the assembly.

“Again, you have heard that the ancients were told, ‘You shall not make false vows, but shall fulfill your vows to the Lord.’

you, therefore, who teach another, do you not teach yourself? You who preach that one shall not steal, do you steal?

As many as are wanting to make a good showing in the flesh, these are trying to compel you to be circumcised, simply so that they will not be persecuted for the cross of Christ.