"Skill and confidence make an unconquered army." - George Herbert
Skill by itself may never accomplish much. Don’t you know very talented people who never manage to turn their talents into success? A skilled person with no self confidence will not likely try anything new and difficult. And every path to major success involves the new and difficult.
But confidence by itself can be downright dangerous. Confidence without skill is a recipe for disaster. It’s the combination of skill and confidence that makes for great achievements.
Make sure that the people around you understand this. Our skills and our attitudes are equally important for our overall success in life.