Full Idea
Aristotle does not distinguish teleological description and teleological explanation, or not as clearly as he should.
Gist of Idea
Aristotle needed to distinguish teleological description from teleological explanation
Source
comment on Aristotle (Nicomachean Ethics [c.334 BCE]) by Terence Irwin - Metaphysical and psych. basis of 'Ethics' p.40
Book Reference
'Essays on Aristotle's Ethics', ed/tr. Rorty,Amélie Oksenberg [University of California 1980], p.40
A Reaction
I assume the explanation has to be factual and true, but the description might be a convenient way of focusing our view of something.