As for theory or instruction, I fear that it cannot avail in all cases, but that the hearer’s soul must be prepared by training it to feel delight and aversion on the right occasions, just as the soil must be prepared if the seed is to thrive. For if he lives under the sway of his passions, he will not listen to the arguments by which you would dissuade him, nor even understand them. And when he is in this state, how can you change his mind by argument? To put it roundly, passion seems to yield to force only, and not to reason. The character, then, must be already 257 formed, so as to be in some way akin to virtue, loving what is noble and hating what is base.