Thin skinned people should avoid being leaders. A true leader requires self-confidence and the ability to stay the course, no matter what anyone else says.
Unfortunately, many people are jealous of other people’s success. In fact, there’s a lot of people that are happy when others fail.
Most people that tell you that everything you’re doing is wrong, don’t really understand your idea or your abilities. So the solution is easy, if you have a dream, just go for it.