Full Idea
The attainment of truth is the task of both the intellectual parts of the soul (calculation and deliberation).
Gist of Idea
The attainment of truth is the task of the intellectual part of the soul
Source
Aristotle (Nicomachean Ethics [c.334 BCE], 1139b10)
Book Reference
Aristotle: 'Ethics (Nicomachean)', ed/tr. ThomsonJ A K/TredennickH [Penguin 1976], p.206
A Reaction
Obviously true, I would have thought, and equally true of the evolved brain, though there are plenty of people out there who try to deny it.