Georg Simmel

The psychological basis of the metropolitan type of individuality consists in the intensification of nervous stimulation which results from the swift and uninterrupted change of outer and inner stimuli.

First-class delivery of children's palliative care is life-changing. When families are confronted with the shattering news that their children have a life-limiting condition, their world can fall apart.

And I think that still is true of this business - which is basically research and development - that you probably spend more time in planning and training and designing for things to go wrong, and how you cope with them, than you do for things to go right.