John Gill

From which some having swerved,.... The apostle, in this verse and the next, describes the persons he suspected of teaching other doctrines, and of introducing fables and endless genealogies; they were such who departed from the above things; they erred from the commandment, or law, notwithstanding their great pretensions to a regard unto it; at least they missed the mark, the end and design of it; they went astray from that, and instead of promoting charity or love, created feuds, contentions, and divisions in the churches; and were far from having a pure heart, being filthy dreamers, and sensual persons, destitute of the Spirit of God, and were such who put away a good conscience, and made shipwreck of faith: such were Hymenaeus, Philetus, Alexander, and others, of whom he also says, they have turned aside to vain jangling; which he elsewhere calls empty talk, and vain babblings, Ti1 6:20, from the solid doctrines of the Gospel, and a solid way of handling them, they turned to vain, idle, useless, and unprofitable subjects of discourse, and to treating upon subjects in a vain, jejune, and empty manner; entertaining their hearers with foolish and trifling questions and answers to them about the law, and with strifes about words, which were unserviceable and unedifying; they were unruly and vain talkers, Tit 1:10.