Lots of good advice here. I think it boils down to: Execute and Iterate. At 20 you lack experience, the 10,000 hours, to be really good. Don't dream of things

Lots of good advice here. I think it boils down to: Execute and Iterate. At 20 you lack experience, the 10,000 hours, to be really good. Don't dream of things, do them -- even if they 'fail' in the traditional sense. Learn from the experience and try again.