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the olympics showcase people pushing to their limits. athletes soar, leap, slide and score. watching from the couch, feet up, drink in hand, we marvel at these feats.
in the natural world, certain animals push their limits, too. some migratory birds can fly for days – sometimes weeks – without landing. the bar-tailed godwit, for example, travels more than 11,000 km nonstop across the pacific ocean, fueled only by stored fat and instinct. no cheering crowds. no gold medals. just a destination and the will to reach it.
such accomplishments are for the gifted. but what are the rest of us capable of doing?
i attended an event last week designed to inspire university leaders to be more innovative. there, one of the speakers talked about the “magic 10 per cent.” wholesale change is rarely successful, but changing 10 per cent of something is a good strategy for getting results over time.
many people fail to learn this lesson, even as history repeatedly teaches it. lasting accomplishments, especially those related to health, tend to come not from heroic bursts of effort, but from setting a clear, achievable goal and working at it in increments.
it used to be true in sport, too. take the first marathon runners in the late 19th century. they were not elite athletes by modern standards. many were ordinary people with day jobs, inspired by the idea of testing their endurance over a long distance. training methods were basic, nutrition was poorly understood, and injuries were common. some failed spectacularly. others quit. a few persevered. what separated them was not brilliance, but persistence.
change has come the same way in most medical advances, even when heroes should have won gold medals. when
edward jenner proposed vaccination in the 1790s, he was ridiculed. when
ignaz semmelweis insisted that handwashing could prevent deadly infections, his colleagues rejected him. ultimately, it was the long accumulation of evidence that drove progress.