Let us try it upon each of them successively.

Let us apply it to love, to hatred, to humility, to pride; none of them ever arises in the smallest degree imaginable.

Let us change the object, as oft as we please; provided still we choose one, that has neither of these two relations.
Let us repeat the experiment in all the dispositions, of which the mind is susceptible.

No object, in the vast variety of nature, will, in any disposition, produce any passion without these relations.
Second Experiment.

Since an object, that wants both these relations can never produce any passion, let us bestow on it only one of these relations; and see what will follow.