We are all simply products of intelligence + environment. I am however, more to the reverse of your experience. I used to believe that almost everyone could be

We are all simply products of intelligence + environment. I am however, more to the reverse of your experience. I used to believe that almost everyone could be amazing and brilliant if just given the opportunity and another set of circumstances. While I know that to be true in some cases, I also have learned over the years that many people just aren't bright enough to get advanced concepts and never will.