Guy Gavriel Kay's 'Tigana' is, in my opinion, one of the best, if not the best fantasy novel ever written. It's beautifully written, the characters are unforgettable, the worldbuilding is exquisite.
I'm not the most talented writer in the world. I know that. But I also know that I'm disciplined, that I work my butt off, and that I make myself write as much as I can. Writer's block is a luxury I can't afford. I'm a professional writer, which means that I put my butt in the chair each day, and I write. Simple as that.