Ordinary people are similarly attuned to questions of risk (“If you work with tuberculosis patients, then you must wear a mask, ” for example), and the Wason test shows this, too.

Treating burnout and keeping yourself healthy is like putting on that mask, giving you the energy you need to be productive at work and happy at home.

But his unassuming words mask a cultural pride: Mr Wang says Chinese companies are smarter and work harder than their western competitors.