οὐ γὰρ πράξιν ἀγαθὴν, ἀλλὰ καὶ εὖ ποεῖν αὐτὴν → it does not suffice to do good–one must do it well
ăchillēa: ae, f.,I a plant, perhaps the same as achilleos, Plin. 26, 15, 90.
ăchillēa, æ, ou ăchillēos, ī, f., millefeuille : Plin. 25, 164 ; 25, 42.