True ease in writing comes from art, not chance,
As those move easiest who have learn'd to dance.
'Tis not enough no harshness gives offence,
The sound must seem an echo to the sense.
Source: An Essay on Criticism.
-- 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.