Stop Sacrificing Your Future by Clinging to Your Past Here's the most important lesson you can learn from your past.

I was at a bar recently with MICK, a successful DJ who spins for celebrities and big brands, and we were discussing his future. He has ambitious plans to expand his business, but like any entrepreneur, he's also concerned: Can he pull it off? What if he isn't equipped for the next steps?

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A day earlier, I'd heard a different example of that same fear. A friend in media was considering changing jobs and asked for my advice. She's a rock star at her publication. "But at this new job, I'll just be another employee," she said. What if she can't repeat the success she has right now?