Work with other people. As opposed to looking at how people present themselves. I often see "experts" in things that have very superficial knowledge and qualifi

Work with other people. As opposed to looking at how people present themselves. I often see "experts" in things that have very superficial knowledge and qualifications. Or people who claim to be proficient at, say Word or Excel because they've used them and they're generally easy to use. But if you go watch professional financial modeling people work with excel, you'll realize you don't know anything.