That thing that happens sometimes, when you are lost in thought and you kick your foot against something in the world, fiercely hard, by accident, and suddenly you are aware that you have feet, and of the world, and it’s very funny, in a Zen kind of oh-here, the world kind of way. Today I took my headphones off in the Number 38 bus at Victoria, and the bus conductor was ringing the bell steadily, slowly, like a call to prayer, every note dying before the next.