[...] So it is best to think of moral progress as a matter of increasing sensitivity, increasing responsiveness to the needs of a larger and larger variety of people and things. Just as the pragmatists see scientific progress not as the gradual attenuation of a veil of appearance which hides the intrinsic nature of reality from us, but as the increasing ability to respond to the concerns of ever larger groups of people - in particular, the people who carry out ever more acute observations and perform ever more refined experiments - so they see moral progress as a matter of being able to respond to the needs of ever more inclusive groups of people.