What would you say to entrepreneurs or inventors who feel afraid to fail or worried that they'll be judged?
Dyson: That's a sort of lesson in life, isn't it? You mustn't be worried about what people will say about you. If you want to do something different, you're going to come up against a lot of naysayers.
Are you frightened of failing as a writer?
This fear can cripple you.
There's no success without failure: lots of failure, usually. Your success lies on the other side of the failure(s).
Read the above interview with James Dyson.
Then accept your fear, and write.