How to Have a ‘Don’t-Know Mind’

Anyone who thinks the contemplative life amounts to a form of quietism or a retreat from the world’s suffering should spend some time shadowing Joan Halifax, the Zen priest and anthropologist. I’d been curious about Halifax for years, ever since I heard about an annual trek that she leads through the mountains of Nepal, bringing a cadre of doctors and dentists to remote mountain villages with little access to health care.

Each summer over the course of two weeks or so, this Nomads Clinic...