One Page Saved Tylenol. One Drawer Sank Kodak.

"The credo made it very clear at that point exactly what we were all about. It gave me the ammunition I needed to persuade shareholders and others to spend the $100 million on the recall." James Burke said that years after the autumn of 1982, and the sentence is the whole case in miniature. He did not describe a brave decision. He described a page.

The page had been written in 1943 by Robert Wood Johnson, a single sheet every person at Johnson & Johnson knew, which puts the people who use the products first and the stockholders last. It sat in the company for thirty-nine years before anyone had to read it on a bad day. Then, in September 1982, seven people in the Chicago area died after taking Tylenol capsules someone had laced with cyanide. The factory had not failed and neither had the formula. Someone had tampered with bottles already on the shelves.

Tylenol held more than 35 percent of the American pain-reliever market, and within weeks it fell below 8. Burke's company recalled the more than 31 million bottles in circulation, at a cost of more than 100 million dollars, while, as he put it, many people inside felt there was no possible way to save the brand. Two months later Tylenol was back in tamper-proof packaging, the packaging every medicine in the world now has, and within a year sales had recovered.

Now the other company. In December 1975 a young Kodak engineer, Steven Sasson, built the world's first handheld digital camera, an eight-pound device that took twenty-three seconds to record a black-and-white image onto a cassette tape. He showed it to his managers. The reply, as the business press recorded it decades later, was “that's cute, but don't tell anyone about it”. Kodak sold film, paper and chemicals, and a device that needed none of them looked, in management's eyes, more like a threat to the merchandise than an invention.

So the no went onto a drawer. An internal study in 1981 said plainly that digital would replace film, but that there was time, roughly a decade. The decade was spent protecting the product, while the reason people bought it, the wish to keep a moment, went undefended. On January 19, 2012, Kodak filed for bankruptcy protection. It had sold digital cameras too, late, but it had protected the wrong thing for too long.

Both managements had the same reflex, to protect what they held most precious, and for a brand strategist this is the heart of the file. The difference lies in what each believed was most precious. At Kodak they protected the product, film, and sacrificed the promise. At Johnson & Johnson they sacrificed the product, pulled it off the shelves with their own hands, to protect the promise. On paper, in the year of each decision, Kodak chose the prudent option, not a dollar lost, and Johnson & Johnson the mad one, a hundred million spent on a problem it had not caused. The market returned both verdicts, with its customary delay of a few decades.

A no is worth only what it protects, and everything depends on what you choose to protect with it. Placed on the product, to shield it from the future, it kills the company, because the product is only today's shape of the promise, and shapes pass. Placed on the promise, even at the cost of the product, it keeps the company alive, because people were not buying film, they were buying the kept moment, and they were not buying capsules, they were buying the certainty that nothing in the bottle would hurt them.

One last detail explains why it was easy at Johnson & Johnson and impossible at Kodak, and courage has little to do with it. The page does. On the hard day, all Burke had to do was read a position written forty years earlier, in good weather, by a man who could not have imagined Chicago. At Kodak there was no page saying what the company protected, so every management protected what was in front of its eyes, the film sales report. The courage to empty your own shelf is not found on the hard day if it was not written down before.

Both gestures exist in your company, at its scale. The closed drawer is the colleague's idea that received, in other words, the same "that's cute, but don't tell anyone," because it would have eaten into what sells today. The emptied shelf is the refund you give a client when you realize you sold them what they did not need, with nobody asking. Neither appears in any report, which is exactly why they are the only things the market remembers about you.

If you say your company has values, a shelf is their test. What would you take off the shelf tomorrow, with your own hands, to remain the company you promised to be? And what are you keeping in a drawer right now, to protect today's product from tomorrow's? I will ask you for one thing. Write the page of what is not negotiable in your company, not when it costs, not when it hurts, and write it in good weather, because on the hard day things only get read, or improvised.