It is impossible to conceive how different things would have turned out if that birth had not happened whenever, wherever, however it did for millions of people who have lived since, the birth of Jesus made possible not just a new way of understanding life but a new way of living it. It is a truth that, for twenty centuries, there have been untold numbers of men and women who, in untold numbers of ways, have been so grasped by the child who was born, so caught up in the message he taught and the life he lived, that they have found themselves profoundly changed by their relationship with him.