War talk by men who have been in a war is always interesting; whereas moon talk by a poet who has not been in the moon is likely to be dull.
Source: Life on the Mississippi, ch. 45, 1883.
-- 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.