Anyone who creates anything has an endless game of ping pong between confidence and fear going on in their minds. And although one might score an ace or a slam, neither ever wins, it’s an endless game.
Complete confidence creates shitty work, and complete insecurity ends work altogether. Both confidence and fear are needed and must be lived with, not eliminated.
Experience with creativity means familiarity with this process, not an avoidance of it. Fear is an asset if you use it as fuel for your fire, rather than a way to smoother it, or as an excuse for never starting it in the first place.
Read this Great article by Scott Berkun.