4445. Moreover, I was informed how the case is with ideas, namely, that those ideas remain with a man and persuade him, which are from himself, not so those which are from others. Although there may be an authority which [in some degree] impresses the ideas of others, still, before the man has formed ideas for himself from himself, they do not actually inhere nor persuade. After this there comes the love of self and selfish ends, and thus ideas from others are implanted. So much as anyone has from himself, so much remains with him and persuades, but not so much as is from others.