The royal wedding is over. Prince William and Catherine Middleton, now Duke and Duchess of Cambridge, are man and wife. The rain stayed away. The dress was beautiful. Everything went well.
On reflection, one of the day's most evocative moments was the Bishop of London's advice to the couple, in the words of Catherine of Siena:
"Be who God meant you to be and you will set the world on fire."
Could there be better advice to the newly-married pair than that?