What Work Is, Part 2
"On plenty of days the writer can write three or four pages, and on plenty of other days he concludes he must throw them away. These truths comfort the anguished. They do not mean, by any means, that faster written books are worse books. They just mean that most writers might well stop berating themselves for writing at a normal, slow pace.
Octavio Paz cites the example of 'Saint-Pol Roux, who used to hang the inscription "The poet is working" from his door while he slept.'"