A little learning is a dang'rous thing;
Drink deep, or taste not the Pierian spring:
There shallow draughts intoxicate the brain,
And drinking largely sobers us again.
Source: An Essay on Criticism, 215
-- Alexander Pope, (May 21 1688-1744), English poet; He is remembered as a major satirist of Augustan age; wrote The Rape of the Lock, 1714 and Moral Essays, 1731-35.