Mystics, from John of the Cross and Julian of Norwich to Teresa of Avila and Francis of Assisi lived through climate change, the Black Death, wars and severe persecutions. Viewed through a contemporary lens their lives look strangely familiar. And paying attention to their prayer lives, says Charlie Cleverly, we discover a deep well of resources to draw on as we pray within our own troubled times. Drawing on the imagery used by the mystics to make...