We all have that one friend who says, “I had the idea for eBay. If only I had acted on it, I’d be a billionaire!” That logic is pathetic and delusional. Having the idea for eBay has nothing to do with actually creating eBay. What you do matters, not what you think or say or plan.

Ideas are cheap and plentiful. The original pitch idea is such a small part of a business that it’s almost negligible. The real question is how well you execute.

— from Rework, by Jason Fried and David Heinemeier Hansson

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