• More than that, I believe that the grass is green because green is restful to the human eye, that the sky is blue to give us an idea of the infinite. And that blood is red so that murder will be more easily detected and criminals will be brought to justice. Yes, and I believe that I shall live forever, but I shall live without reason.

    Penelope Fitzgerald (1998). “The Gate of Angels”, p.48, Houghton Mifflin Harcourt