“In an age of constant movement, nothing is so urgent as sitting still.” ~Pico Iyer, from his TED talk “The Art of Stillness”

It was a Tuesday in late September, the kind of afternoon that feels borrowed from summer. I had a work deadline at 5:00. I went to the park anyway.

I spread a blanket on the grass, unpacked a little cheese and some fruit, and poured tea from the thermos I’d filled mostly out of habit. I had a book in my bag that I never opened.

For two hours, I sat outside in the middle …