constant friction of people of corrupt minds and destitute of the truth, who suppose that godliness is a means of gain. Withdraw yourself from such.
constant friction ... --  Paul then spells out the result of the attitude and action of the false teachers: “envy” or “jealousy”; “strife” or “discord” (usually linked to envy); “malicious talk” or “slander” (blasfhmivai, blasphçmiai); “evil suspicions” or “conjectures”; and “constant friction” or “thorough or mutual irritation” which results “between men of corrupt [or ’ruined’] mind.” - CPNIV