But, your brain’s a piece-of-shit writer. I know this, because mine is too. So, let me assure you that there’s no point in waiting for your brain to start making the clackity noise for you. It can’t. That’s all on you, and on me, and on each of our extant fingers.Merlin Mann, Making the Clackity Noise

Write when inspired; rest when tired.Jeffrey Zeldman, Write When Inspired