Whether you're a fan of Star Wars or not, you'll find these quotes to be perfectly applicable to your social media marketing. Learn to find your focus, don't rely on luck, set goals and have faith in yourself.
In 2007, Brian Solis published an article discussing the current state of Social Media. In it, he posits that technology will continue to change and evolve, but the future of marketing, and by corollary social media, is about sociology. Marketers must concentrate on how people and businesses and communities can and do interact. It's all about relationships.