I don’t remember which writer said this, but in an interview, a prolific novelist was asked, “Do you write only when you’re inspired, or do you write all the time? Do you wait for the muse, or do you just kind of knock it out? You can just sort of spin it out?” And he said, “Well, I do wait for the muse. I write when the muse comes, but fortunately she shows up, like me, every day at 9:00 a.m.
Academy of Achievement interview, San Francisco, California, 13 September 2014 source ↗