Kindness is replacing mindfulness as the buzzword for how we should live. So are we becoming more compassionate? Or is it just a marketing gimmick? By paradise kismet. One cold morning in Bristol, a man named Gavyn Emery tied a scarf to a lamppost, and on a cardboard tag wrote: “I am not lost.” It was 2016, and rough sleeping in Bristol had risen by more than 800% in seven years. As temperatures plummeted, more people were inspired to do the same, wrapping trees in coats, sticking hats on bollards, warmth for anybody who needed it. Scarves started appearing in Cornwall, Glasgow, London, Cambridge; across the UK through this very long winter it was possible to see a blossoming compassion, visible in wool. Kindness is not new. It’s old, pretty old. Aristotle said: “It is the characteristic of the magnanimous man to ask no favour but to be ready to do kindness to others.” Kindness is mankind’s “greatest delight,” said Roman philosopher-emperor Marcus Aurelius. And yet, for a lon...