Churchill is not simply cheerleading for busyness—he's identifying a peculiar psychological truth: the regret that haunts us isn't from mistakes made with full commitment, but from the paralysis of never trying at all. A person who launches a business venture and fails has learned something irreplaceable; a person who talked endlessly about starting one learns only how to talk. The wisdom lies in recognizing that wrong action, at least, generates feedback and momentum, while inaction is a kind of slow calcification, leaving you exactly where you were but with less faith in yourself. We see this most clearly in people nearing the end of their careers who wish they'd spoken up in meetings or pursued that unexpected opportunity—rarely do they regret the bold moves that didn't work out.