Kay, 79, who lives in Philadelphia's Society Hill Towers, has completely forsaken the conventional three squares a day. Instead, he eats 15 to 20 times a day, grazing and nibbling in the manner of our ancestors.

My rather upbeat proposal to create a resilient and abundant food system is predicated upon the human species having the capacity to learn. But what kind of learning is required? I propose an idea of pluriversity, a pluriversity for resilience and abundance.

But who is he, by years / Bowed, but erect in heart?

the utmost assiduity