But you are forgers of lies [you defame my character most untruthfully]; you are all physicians of no value and have no remedy to offer.
But ye are forgers of lies, Ye are all physicians of no value.
But ye are forgers of lies; Ye are all physicians of no value.
You, however, are plasterers of lies; ineffective healers, all of you.
having first shown that you fabricate lies and cultivate perverse teachings.
Having first shewn that you are forgers of lies and maintainers of perverse opinions.