Book 7
1331b
We must now discuss the constitution itself, and ask what and of what character should be the components of the state that is to have felicity and good government. There are two things in which the welfare of all men consists: one of these is the correct establishment of the aim and end of their actions, the other the ascertainment of the actions leading to that end. (For the end proposed and the means adopted may be inconsistent with one another, as also they may be consistent; sometimes the aim has been correctly proposed, but people fail to achieve it in action, sometimes they achieve all the means successfully but the end that they posited was a bad one, and sometimes they err as to both—for instance, in medicine practitioners are sometimes both wrong in their judgement of what qualities a healthy body ought to possess and unsuccessful in hitting on effective means to produce the distinctive aim that they have set before them; whereas in the arts and sciences both these things have to be secured, the end and the practical means to the end.) Now it is clear that all men aim at the good life and at happiness, but though some possess the power to attain these things, some do not, owing to some factor of fortune or of nature
