The art of child rearing, of parenting, is to center the children and then knock them off center; to make them believe that they are safely anchored in the middle of a secure world and somehow also to let them know that the world they live in is not a fixed sphere with them at the center; that they stand instead alongside a river of history, of older souls, that rushes by them, where they are only a single small incident. "First Thanksgiving: Densities", p. 87