οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
Dor. for βουλή, SIG261.15 (Argos, iv B. C.), Decr.Byz. ap. D.18.90, etc.