One of the biggest fallacies regarding one's desire to be original is denying oneself the knowledge of music. I've encountered many musicians, young and old, who've feared that learning the language of jazz would actually stifle them--or at least make them sound out of touch.
As the Teacher told the Student, you don't have to invent everything that you play, you only have to own it. Most scientific breakthroughs are based on the work of others. These theories and experiments are not pulled out of thin air.
If we define originality as sounding like no other, beginners are the most original players I've heard. The key is to play and create with the spirit of a small child, not the knowledge of one.