What makes Edison's observation sting is that it doesn't simply warn against daydreaming—it suggests that an unexecuted vision is actively *false*, a kind of self-deception. Most people treat ideas and action as separate things, with ideas coming first and action following dutifully. But Edison is saying something harder: without the work, the vision never becomes real enough to be trusted; it remains a phantom you've mistaken for truth. A young novelist might spend years perfecting an imagined masterpiece in her head, only to discover when she finally writes it down that the real story is messier, stranger, and more interesting than what she'd been hallucinating—and she learns only then what she actually wanted to say.