Lawrence, Gavin (2011). Acquiring character : becoming grown-up. In Michael Pakaluk & Giles Pearson (eds.), Moral psychology and human action in Aristotle. Oxford: Oxford University Press. The Nicomachean Ethics is a work of ‘practical philosophy’. Its concern is Praxis, action, but action in a sense somewhat obscure to the ear of modern philosophy. It is action in a narrower sense than the mere..