If we assume that we at the same time love it, we shall then simultaneously love it and shrink from it; in other words, we shall be subject to vacillation (III.xvii.

note).

Q.E.D.
Corollary .-- From the foregoing, and also from III.xxviii.

it follows that everyone endeavours, as far as possible, to cause others to love what he himself loves, and to hate what he himself hates: as the poet says: "As lovers let us share every hope and every fear: ironhearted were he who should love what the other leaves."[9] [9] Ovid, "Amores," II.xix.

4,5.