It doesn't matter how many times you fail. It doesn't matter how many times you almost get it right. No-one is going to know or care about your failures, and neither should you. All you have to do is learn from them and those around you. All that matters in business is that you get it right once. Then everyone can tell you how lucky you are.
How to Win at the Sport of Business: If I Can Do It, You Can Do It (ed. Diversion Books, 2011) - ISBN: 9780983988533