Aristotle, Nicomachean Ethics
H. Rackham, Ed.

[5] Also the activity of contemplation may be held to be the only activity that is loved for its own sake: it produces no result beyond the actual act of contemplation, whereas from practical pursuits we look to secure some advantage, greater or smaller, beyond the action itself. [6] Also happiness is thought to involve leisure; for we do business in order that we may have leisure, and carry on war in order that we may have peace. Now the practical virtues are exercised in politics or in warfare; but the pursuits of politics and war seem to be unleisured—those of war indeed entirely so, for no one desires to be at war for the sake of being at war, nor deliberately takes steps to cause a war: a man would be thought an utterly bloodthirsty character if he declared war on a friendly state for the sake of causing battles and massacres. But the activity of the politician also is unleisured, and aims at securing something beyond the mere participation in politics—positions of authority and honor, or, if the happiness of the politician himself and of his fellow-citizens, this happiness conceived as something distinct from political activity （indeed we are clearly investigating it as so distinct）.¹ [7] If then among practical pursuits displaying the virtues, politics and war stand out preeminent in nobility and grandeur, and yet they are unleisured, and directed to some further end, not chosen for their own sakes: whereas the activity of the intellect is felt to excel in serious worth,² consisting as it does in contemplation,