Isaiah
Isaiah 66:17BSB·traditional attribution

“Those who consecrate and purify themselves to enter the groves—to follow one in the center of those who eat the flesh of swine and vermin and rats—will perish together,” declares the LORD.

Matthew Henry Presbyterian @wholebiblehenry

These verses, like the pillar of cloud and fire, have a dark side towards the enemies of God's kingdom and all that are rebels against his crown, and a bright side towards his faithful loyal subjects. Probably they refer to the Jews in captivity in Babylon, of whom some are said to have been sent thither for their hurt, and with them God here threatens...

Commenting on Isaiah 66:15-24

John Gill Reformed Baptist @doctorgill

They that sanctify themselves,.... This is a description of the enemies of the Lord, and of his people, who shall be slain at this time; not who are sanctified by the Spirit and grace of God, but who sanctify themselves, pretend to make themselves holy, and give out that they are holier than others; professing great outward sanctity, as the Papists do, but destitute of...

Jamieson-Fausset-Brown Reformed @jfbcommentary

in . . . gardens--Hebrew and the Septuagint rather require, "for (entering into) gardens," namely, to sacrifice there [MAURER]. behind one tree--rather, "following one," that is, some idol or other, which, from contempt, he does not name [MAURER]. VITRINGA, &c., think the Hebrew for "one," Ahhadh, to be the name of the god; called Adad (meaning One) in Syria (compare Act 17:23).