xxxi.).

But this endeavour or desire is assumed to be checked by the image of the loved object in conjunction with the image of him whom the loved object has joined to itself; therefore (III.xi.

note) he will for that reason be affected with pain, accompanied by the idea of the loved object as a cause in conjunction with the image of his rival; that is, he will be (III.

xiii.) affected with hatred towards the loved object and also towards his rival (III.

xv.
Coroll.), which latter he will envy as enjoying the beloved object.