Ética, Parte III, Proposición 45
If a man conceives, that anyone similar to himself hates anything also similar to himself, which he loves, he will hate that person.
Demostración
The beloved object feels reciprocal hatred towards him who hates it (III. xl.); therefore the lover, in conceiving that anyone hates the beloved object, conceives the beloved thing as affected by hatred, in other words (III. xiii.), by pain; consequently he is himself affected by pain accompanied by the idea of the hater of the beloved thing as cause; that is, he will hate him who hates anything which he himself loves (III. xiii. note). Q.E.D.
Benedict de Spinoza, The Ethics (Ethica Ordine Geometrico Demonstrata), traducido del latín por R. H. M. Elwes.
Publicado por primera vez en The Chief Works of Benedict de Spinoza, vol. II (London: George Bell and Sons, 1884).
Esta traducción es de dominio público en Estados Unidos, donde se publicó en 1884, y en cualquier lugar donde el plazo de derechos de autor sea la vida del autor más 100 años o menos; su traductor murió en 1892.
La división en unidades, los títulos y la ubicación de las notas son de este sitio.
Texto digital: Project Gutenberg eBook #3800