If you want to conquer fear, don't sit home and think about it. Go out and get busy.
Are you afraid of rejection? Or does it just feel more comfortable to not try? Today, submit a piece of writing to a new market? Looking for markets? I love Duotrope's new format!
One of the things I learned the hard way was that it doesn't pay to get discouraged. Keeping busy and making optimism a way of life can restore your faith in yourself.