<p>“It is said that a visitor once came to the home of Nobel Prize–winning physicist Niels Bohr and, having noticed a horseshoe hung above the entrance, asked incredulously if the professor believed horseshoes brought good luck. “No,” Bohr replied, “but I am told that they bring luck even to those who do not believe in them.””</p><p><a href="https://www.laphamsquarterly.org/magic-shows/miscellany/niels-bohrs-lucky-horseshoe" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://www.</span><span class="ellipsis">laphamsquarterly.org/magic-sho</span><span class="invisible">ws/miscellany/niels-bohrs-lucky-horseshoe</span></a></p>