Full Idea
The Good has rightly been defined as 'that at which all things aim'.
Gist of Idea
The good is 'that at which all things aim'
Source
Aristotle (Nicomachean Ethics [c.334 BCE], 1094a02)
Book Reference
Aristotle: 'Ethics (Nicomachean)', ed/tr. ThomsonJ A K/TredennickH [Penguin 1976], p.63
A Reaction
So it is logically impossible to aim at evil? Maybe in practice people always aim for what they take to be good, but it must be possible to deliberately do evil, just to prove a point.