 Wright thinks that it is arguable that moral discourse does not satisfy width-of-cosmological role. Whereas a physical fact—such as a pond’s being frozen over—can contribute to the explanation of cognitive effects (someone’s believing that the pond is frozen over), effects on sentient, but non-conceptual creatures (the tendency of goldfish to cluster towards the bottom of the pond), effects on us as physically interactive agents (someone’s slipping on the ice), and effects on inanimate matter (the tendency of a thermometer to read zero when placed on the surface), moral facts can only to contribute to the explanation of the first sort of effect: