When I am finishing a picture I hold some God-made object up to it - a rock a flower the branch of a tree or my hand - as a final test. If the painting stands up beside a thing man cannot make the painting is authentic. If there's a clash between the two it's bad art.
An institution or reform movement that is not selfish must originate in the recognition of some evil that is adding to the sum of human suffering or diminishing the sum of happiness.