This is one of my favorite articles that I've saved over the years, and everytime I come back to it, I remember why. It appeared on LifeHacker.com and you can find it here.
Basically it just talks about how everyone is going to have their own feelings of inadequacy when it comes to their chosen
profession, but that this is actually a good thing. It means you're doing, creating, and making a difference. You can't have worry and doubt when you've done nothing to doubt or worry about. Even the person who appears to have it all has their own insecurities and struggles, but it's what you do with it that counts and defines your success. It's human nature to want to continuously improve and grow. That doesn't mean what you're creating or doing now is inadequate, but it's just another rung on the ladder in your journey down whatever career path you're chosen. This article really hits home with me as well, because I've felt a lot of these things in my own design work and reading this always reminds me that it's normal and I'm doing exactly what I need to be doing.
So in case no one's told you yet today, Go You! It's ok if you feel like you're faking it because everyone else is too! It's all a part of this wonderful game called life...