Full Idea
For Aristotle virtue is the acquisition of a developed capacity or tendency to experience emotion and desire accordantly with one's cognition of value.
Gist of Idea
Virtue is the feeling of emotions that accord with one's perception of value
Source
comment on Aristotle (Nicomachean Ethics [c.334 BCE], 1106b16) by Deborah Achtenberg - Cognition of Value in Aristotle's Ethics 2.2
Book Reference
Achtenberg,Deborah: 'Cognition of Value in Aristotle's Ethics' [SUNY 2002], p.43
A Reaction
Leaving still the problem of the criminal whose emotions correctly follow their warped values. An interesting point, nevertheless.