Never be satisfied with a first draft. In fact, never be satisfied with your own stuff at all, until you're certain it's as good as your finite powers can enable it to be.
Rose TremainPace is crucial. Fine writing isn't enough. Writing students can be great at producing a single page of well-crafted prose; what they sometimes lack is the ability to take the reader on a journey, with all the changes of terrain, speed and mood that a long journey involves. Again, I find that looking at films can help. Most novels will want to move close, linger, move back, move on, in pretty cinematic ways.
Rose TremainThe process of rewriting is enjoyable, because you're not in that existential panic when you don't have a novel at all.
Rose Tremain