"I can't do this." "I didn't deserve this promotion." "When will they find me out?" If you've had thoughts like these, you aren't alone. Nearly 70 percent of people have experienced imposter syndrome -- even some of the most successful ones! The difference is in how they can use imposter thoughts as fuel, rather than a fire to burn them out. Organizational psychologist Adam Grant shares three steps you can take to harness your own self-doubt as a fuel for success, and why we stand to gain more from embracing our insecurities rather than hiding from them.