οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
subs.
Ar. and P. φαρμακοπώλης, ὁ; see also doctor.