2. He must tell them their duty (v. 9): "No stranger shall enter into my sanctuary till he has first submitted to the laws of it." But, lest any should think that this excluded the penitent believing Gentiles from the church, the stranger here is described to be one that is uncircumcised in heart, not in sincerity consenting to the covenant, nor putting away the filth of the flesh; whereas the believing Gentiles were circumcised with the circumcision made without hands, Col. ii. 11. This circumcision of the heart, in the spirit, not in the letter, was what the unbelieving Jews were strangers to and unconcerned about, while yet they were zealous to keep out of the sanctuary uncircumcised Gentiles, witness their rage against Paul when they did but suspect him to have brought Greeks into the temple, Acts xxi. 28.