Joel Spolsky at Inc. – Does Slow Growth Equal Slow Death?:

"You worked hard to build your business; you're counting on it for your retirement and your kids' college and whatever. But if you're not taking any risks, you're pretty much guaranteed to fail. Somewhere, there's someone out there who is taking more risks than you, and that person's business is growing faster than yours, and that person's business may one day come to dominate your industry while yours withers away."