Every day there was self-doubt when I put pen to paper. When I first started writing Hamilton, I had no idea if it was going to be good or if it was just a crazy idea. I had a lot of self-doubt about it,” Miranda told Vanity Fair at the Moana world premiere in Hollywood on Monday night. “But having doubt can be a good thing. If you don’t have self-doubt, you’re probably making some pretty crappy art. Having doubt makes you push yourself farther than you’ve gone before. It pushes you beyond your comfort zone when you’re writing and that helps you get through.