"Love" as a concept enters philosophy at one point through religion, particularly when the origin of the world is expressed as an act of procreation or the Creator is conceived of as loving his creation either as a whole or in part (i.e., the human race). But the concept of love is also a subject for philosophic meditation in regard to ethical problems. Love, as one of the most powerful of human impulses, was early seen to be much in need of control, especially if man as rational animal was to be able to use his rational capacities. Much of the ethical writing on love is designed to suggest some means whereby the pleasures and other values of loving may be preserved without entailing the supposed evils of intemperate sexuality. This type of speculation ran from Plato through the Neoplatonists—those of both the early Christian period...