Full Idea
We mustn't assume that mortal eyes will ever be able to look upon reason and get to know it adequately.
Gist of Idea
Mortals are incapable of being fully rational
Source
Plato (The Laws [c.349 BCE], 897d)
Book Reference
Plato: 'Complete Works', ed/tr. Cooper,John M. [Hackett 1997], p.1554
A Reaction
This is in the context of the rational control of the whole Cosmos. I presume Plato would be flabbergasted by the findings of recent physics and cosmology. Did Kant believe that he was being completely rational about ethics?