I write to discover what I think. After all, the bars aren't open that early.
Source: On why he writes at home from 6:30 to 8:30 AM, in Wall Street Journal, 31 Dec 1985.
-- Daniel Boorstin, (Oct 1 1914-2004), US historian; He is an influential social historian and educator known for his 3 volumes on American civilization in The Americans.