Bourke’s defence of the German philosopher is historically thorough and philosophically compelling.

On a single silent night when all was still and all was bright, Christian Germans and Christian Brits sang together and then climbed out of their trenches to greet each other—and celebrate the birth of Christ.

If anyone wishes to conquer the giants of their own vices, they must, like Don Quixote, take up the lance, the shield, draw down the visor, and mount Rocinante.

This oratorio, a familiar part of both the Christmas and Easter seasons, has a fascinating history.