Writing is not necessarily something to be ashamed of, but do it in private and wash your hands afterwards.
Robert A. Heinlein

You can’t wait for inspiration, you have to go after it with a club.
Jack London

When in doubt, have a man come through the door with a gun in his hand.
Raymond Chandler

Writing is the hardest work in the world. I have been a bricklayer and a truck driver, and I tell you – as if you haven’t been told a million times already – that writing is harder. Lonelier. And nobler and more enriching.
Harlan Ellison

A writer is a person for whom writing is more difficult than it is for other people.
Thomas Mann

You can’t say, I won’t write today because that excuse will extend into several days, then several months, then … you are not a writer anymore, just someone who dreams about being a writer.
Dorothy C. Fontana

Sometimes you have to go on when you don’t feel like it, and sometimes you’re doing good work when it feels like all you’re managing is to shovel shit from a sitting position.
Stephen King

Writing makes no noise, except groans, and it can be done everywhere, and it is done alone.
Ursula K. LeGuin

I love being a writer. What I can’t stand is the paperwork.
Peter de Vries

Writing is a lot easier if you have something to say.
Sholem Asch

You must learn to overcome your very natural and appropriate revulsion for your own work.
William Gibson