Full Idea
It is the things towards which we have the stronger natural inclination that seem to us more opposed to the mean….(e.g. pleasure).
Gist of Idea
The vices to which we are most strongly pulled are most opposed to the mean
Source
Aristotle (Nicomachean Ethics [c.334 BCE], 1109a12)
Book Reference
Aristotle: 'Ethics (Nicomachean)', ed/tr. ThomsonJ A K/TredennickH [Penguin 1976], p.108
A Reaction
Trying to identify these might lead to a circularity (if strong opposition can only be identified by strong pull). If the pull varies with individuals, that implies that the opposition is also relative.