the foregoing:12 for we usually consider not only whether an action is morally right or morally wrong, but also, when a choice of two morally right courses is offered, which one is morally better; and likewise, when a choice of two expedients is offered, which one is more expedient. Thus the question which Panaetius thought threefold ought, we find, to be divided into five parts. First, therefore, we must discuss the moral—and that, under two sub-heads; secondly, in the same manner, the expedient;