Book 2
2
for motion is a continuum, and conduct is a motion. And in all things the mean in relation to us is the best, for that is as knowledge and reason bid. And everywhere this also produces the best state. This is proved by induction and reason: contraries are mutually destructive, and extremes are contrary both to each other and to the mean, as the mean is either extreme in relation to the other—for example the equal is greater than the less and less than the greater.
3
Hence moral goodness must be concerned with certain means and must be a middle state. We must, therefore, ascertain what sort of middle state is goodness and with what sort of means it is concerned.
