“This world is a mountain, and our action the shout:the echo of the shouts comes back to us.” —  Rumi, The Masnavi I Ma’navi , Trans. E. H. Whinfield She was walking past me in a hurry, headphones in, her pace light but determined — that London rhythm of people moving between places. But when she saw me raise a hand, signalling I wanted to speak, she paused. She slipped out one earbud, then the other, and smiled as if she had been listening to something she could easily retur