E4D2
Definition — Part IV
Latin
Per malum autem id quod certo scimus impedire quominus boni alicujus simus compotes. De his præcedentem vide præfationem sub finem.
English (Elwes 1883)
By evil I mean that which we certainly know to be a hindrance to us in the attainment of any good.
(Concerning these terms see the foregoing preface towards the end.)
Modern English
By bad I mean that which we certainly know to be an obstacle to our attaining any good. (On these terms see the end of the preceding Preface.)