That is the thing I will keep.

Whatever else is in this account, I was in a room when a child who had been dragging a wrecked machine around a school building for four years put her hands on a good one and crossed a room in silence, and she laughed, and her mother sat down on the arm of the sofa and put the tea towel over her face.

Julian stood in the middle of the room with his hands in his pockets looking at the carpet.

Nobody in that room measured anything.