Persons without education certainly do not want either acuteness or strength of mind in what concerns themselves, or in things immediately within their observation; but they have no power of abstraction, no general standard of taste, or scale of opinion. They see their objects always near, and never in the horizon. Hence arises that egotism which has been remarked as the characteristic of self-taught men.

The Round Table Vol. 1 (ed. 1817)