Deuteronomy 13:16-17

"And there shall cleave nought of the cursed thing to thine hand: that the LORD may turn from the fierceness of His anger, and show thee mercy, and have compassion upon thee, and multiply thee, as He hath sworn unto thy fathers." Deuteronomy 13:17

Israel must conquer idolatrous cities and destroy all the spoil, regarding all that had been polluted by idolatry as an accursed thing to be burned with fire. Now, sin of all sorts must...

Come out from among them and be separate, says the Lord. Do not touch what is unclean. § Beloved, I beg you as sojourners and pilgrims, abstain from fleshly lusts which war against the soul. § [Hate] even the garment defiled by the flesh.Beloved, now we are children of God; and it has not yet been revealed what we shall be, but we know that when He is revealed, we shall be like Him, for we shall see Him as He is. And everyone who has this hope in Him purifies himself, just as He is...