Aristotle, Nicomachean Ethics
H. Rackham, Ed.

[4] And such happiness would appear to need but little external equipment, or less than the happiness based on moral virtue.¹ Both, it may be granted, require the mere necessaries of life, and that in an equal degree （though the politician does as a matter of fact take more trouble about bodily requirements and so forth than the philosopher） ; for in this respect there may be little difference between them. But for the purpose of their special activities their requirements will differ widely. The liberal man will need wealth in order to do liberal actions, and so indeed will the just man in order to discharge his obligations （since mere intentions are invisible, and even the unjust pretend to wish to act justly）; and the brave man will need strength if he is to perform any action displaying his virtue; and the temperate man opportunity for indulgence: otherwise how can he, or the possessor of any other virtue, show that he is virtuous?