This one was coined after the household cat spent a long minute nose-to-flame over a scented candle, walked away with slightly crisped whiskers, and returned ten minutes later, confirming it was still alive, to check whether the candle had in fact learned its lesson. The line went into the notebook. The candle got moved.

The phrase is a small theory of investigation. Curiosity is the forward scout. It advances, alone, into places the rest of us are not sure we want to know about. The whiskers are the intelligence service. They touch the edge of the new thing, collect sensory data we did not volunteer for, and come back slightly singed with a report. Neither part is the whole process. The scout without the report is reckless. The report without the scout is theory.

Most of what we call learning runs on the same two-step. Someone, something, goes first into the scary thing. Information comes back, often uncomfortable, almost always useful. A tuxedo cat sniffing a candle is not wise. It is early-stage research, conducted with minimal protective equipment, on behalf of the household. We have outsourced so much of this work to screens that we have forgotten what it felt like. The whiskers, given the chance, still remember.