The most watched programme on the BBC after the news is probably 'Doctor Who.' What has happened is that science fiction has been subsumed into modern literature. There are grandparents out there who speak Klingon who are quite capable of holding down a job. No one would think twice now about a parallel universe.
Desire is the key to motivation but it's determination and commitment to an unrelenting pursuit of your goal - a commitment to excellence - that will enable you to attain the success you seek.