<p>I agree with that last part. Success in business is much, much less about what you studied and what you know than it is about how well you can talk your way into things. Confidence + charm= success. Obviously if you have no idea what you're doing, you will (hopefully) be found out eventually. So while you do need some kind of foundation, if you're a quick learner and a decent talker you can definitely upsell yourself, a lot.</p>