NET
5 and constant bickering by people corrupted in their minds and deprived of the truth, who suppose that godliness is a way of making a profit.
Darby
5 constant quarrellings of men corrupted in mind and destitute of the truth, holding gain to be [the end of] piety.
KJV
5 Perverse disputings of men of corrupt minds, and destitute of the truth, supposing that gain is godliness: from such withdraw thyself.