# Everything is a guess Every plan, prediction, belief, relationship expectation, career bet, and knowledge claim is, at its core, a guess. Some guesses are better informed than others, but none of them are certainties. Treating them as certainties is where most trouble begins. ## As a personal principle Holding this belief creates humility and flexibility. If everything is a guess, then being wrong is not a failure; it's the default state being corrected. It removes the ego from changing your mind, pivoting a project, or admitting you were wrong about someone or something. It also means taking action despite uncertainty. If certainty is never coming, waiting for it is just stalling. The useful question is never "am I sure?" but "is this guess good enough to act on?" ## As a philosophical position All human knowledge is provisional. Science doesn't prove things; it produces increasingly reliable guesses that survive testing. Beliefs held with total conviction are the most dangerous because they're the least likely to be questioned. This connects to epistemological humility, Bayesian reasoning, and fallibilism. We operate on models of reality, not reality itself. The map is never the territory. ## As a decision-making framework Treating every decision as a guess changes how you approach planning: - **Estimates are guesses.** Stop pretending timelines are commitments. They're hypotheses - **Strategies are guesses.** Build in feedback loops and exit ramps - **Hiring decisions are guesses.** Design for fast course correction - **Product bets are guesses.** Ship small, validate fast, kill what doesn't work - **Beliefs about people are guesses.** Stay open to being surprised The practical implication: invest in reversibility. Since you're always guessing, optimize for being able to change your mind cheaply. Irreversible decisions deserve more deliberation; reversible ones deserve less. ## The trap The opposite failure mode is nihilistic paralysis: "if everything is a guess, nothing matters." That's missing the point. The insight isn't that guesses are worthless. It's that some guesses are much better than others, and the skill is in improving the quality of your guesses over time through experience, data, and feedback. ## References - Personal reflection ## Related - [[Move fast and break things]]