All he has to do is make one phone call and his life continues, prosperous and untroubled.

And instead he steps inside, and he sees a woman with fading bruises and a sleeping child, and he does the arithmetic that most people, if we are honest, would not do — he weighs his own entire future against the safety of two strangers, and he chooses the strangers.

Clement did not know us.

He owed us nothing.

He was, by every ordinary measure, on the other side.

What moved him I will never fully know, because he never spoke of it and now he never can; whether it was the particular look of my mother’s fear, or the sight of a child who reminded him of something, or simply the plain refusal of a decent man to hand a little girl to the people who had put those marks on her mother.