Every great advance in science has issued from a new audacity of imagination.

Imagination comes before proof

We tend to think of science as the opposite of imagination—that it's all careful measurements and rigid logic. But history tells a different story. Before anyone could prove the Earth orbits the Sun, someone had to imagine it. Before DNA's structure became obvious, Watson and Crick had to picture it. The breakthroughs didn't come from following the rulebook more carefully than everyone else; they came from people willing to ask "what if?" in ways that made their contemporaries deeply uncomfortable.

This matters now because we're living in an age that demands imagination from all of us, not just scientists. We're trying to solve problems—climate change, healthcare, education—that the old frameworks can't quite handle. But there's real pressure to stay practical, to focus on what we already know works. The audacity Dewey describes isn't recklessness; it's the willingness to think differently when the current approach has hit a ceiling. It's what happens when someone says, "But what if we tried it this way?" and actually pursues it.

The surprising part? This applies to how you live too. The people who make real changes in their own lives—switching careers, fixing relationships, building new habits—usually do it by imagining a version of themselves or their situation that seems slightly crazy at first. The audacity to picture something different is often the first move toward making it real.