Nature in her green, tranquil woods heals and soothes all affliction,’ wrote John Muir. ‘Earth hath no sorrows that earth cannot heal.’ Now I knew this for what it was: a beguiling but dangerous lie. I was furious with myself and my own conscious certainty that t his was the cure I needed. Hands are for other humans to hold. They should not be reserved exclusively as perches for hawks. And the wild is not a panacea for the human soul; too much in the air can corrode it to nothing.