It is something you protect.

Beside me on the bench lay a tablet showing the quarterly report for the Pendelton Children’s Medical Foundation, and the number on it still had the power to take my breath.

In twenty-four months, the foundation had paid for more than four hundred life-saving heart surgeries for children whose families could never have afforded them.

Four hundred children, running now in four hundred yards and playgrounds, breathing easy.

Four hundred mothers who had gotten the telephone call.