Intellectual work is misnamed; it is a pleasure, a dissipation, and is its own highest reward.
Source: A Connecticut Yankee in King Arthur's Court, ch. 28, 1889.
-- Mark Twain, (Nov 30 1835-1910), US novelist, journalist, river pilot; The Great American humorist was also known as The People's Author and creator of Tom Sawyer and Huck Finn.