An angel does good because it is in an angel’s nature; there is no struggle in it, no cost, no choice.

Arthur did good against the grain of a whole lifetime, at the very end, when he had every excuse to be bitter and grasping and afraid, and he chose instead to be generous, to a stranger, for no reward he would live to enjoy.

That is not the goodness of an angel.

It is the harder, rarer goodness of a human being who decides, late and at great cost, to become better than he has been.

I have come to think that kind of goodness is the most hopeful thing in the world, because unlike an angel’s, it is a thing any of us might still choose.