But if you are without that discipline in which all have become sharers, then you are of adultery, and you are not sons
Other versions
King James Version
But if ye be without chastisement, whereof all are partakers, then are ye bastards, and not sons.English Standard Version
If you are left without discipline, in which all have participated, then you are illegitimate children and not sons.New International Version
If you are not disciplined (and everyone undergoes discipline), then you are illegitimate children and not true sons.