xi.), which involves the knowledge of God (II.

xlvii.), and without it (I.xv.), can neither be, nor be conceived; therefore, in proportion as the mind's essence involves a greater knowledge of God, so also will be greater the desire of the follower of virtue, that other men should possess that which he seeks as good for himself.

Q.E.D.
Another Proof .-- The good, which a man desires for himself and loves, he will love more constantly, if he sees that others love it also (III.

xxxi.); he will therefore endeavour that others should love it also; and as the good in question is common to all, and therefore all can rejoice therein, he will endeavour, for the same reason, to bring about that all should rejoice therein, and this he will do the more (III.

xxxvii.), in proportion as his own enjoyment of the good is greater.
Note I .-- He who, guided by emotion only, endeavours to cause others to love what he loves himself, and to make the rest of the world live according to his own fancy, acts solely by impulse, and is, therefore, hateful, especially, to those who take delight in something different, and accordingly study and, by similar impulse, endeavour, to make men live in accordance with what pleases themselves.