Jamieson, Fausset & Brown, on 1Tim 6:5

“Conflicts of men corrupted in mind, and who are destitute of the truth, supposing gain to be godliness.”

“Perverse disputings--useless disputings. The oldest manuscripts read, "lasting contests" [WIESINGER]; "incessant collisions" [ALFORD]. "Strifes of words" had already been mentioned so that he would not be likely to repeat the same idea (as in the English Version reading) again. corrupt minds--Greek, "of men corrupted (depraved) in mind." The inmost source of the evil is in the perverted mind (Ti1 6:4; Ti2 3:8; Tit 1:15). destitute of the truth-- (Tit 1:14). They had had the truth, but through want of moral integrity and of love of the truth, they were misled by a pretended deeper gnosis (knowledge) and higher ascetical holiness, of which they made a trade [WIESINGER]. supposing, &c.--The Greek requires, "supposing (regarding the matter in this point of view) that piety (so translated for 'godliness') is a means of gain (that is, a way of advancing one's worldly interests: a different Greek form, poriswa, expresses the thing gained, gain)"; not "that gain is godliness," as English Version. from such withdraw thyself--omitted in the oldest manuscripts. The connection with Ti1 6:6 favors the omission of these words, which interrupt the connection.”

Imported from an open dataset — not yet checked against the printed edition.