On a bright afternoon in summer, when we stand on the high ground above Saint Andrew's, and look seaward for the Inchcape Rock, we can discern at first nothing at all, and then, if the day favours us, an occasional speck of whiteness, lasting no longer than the wave that is reflecting a ray of sunlight upwards against the indistinguishable tower. But if we were to climb the hill again after dinner, you would have something to report. So, in the broad daylights of humanity, such as that Victorian Age in which you narrowly escaped being (and I was) born, when the landscape is as clear as on Frith's Derby Day, the ruined tower of Petronius stands unremarked; it is only when the dark night of what is called civilisation has gathered that his clear beam can penetrate the sky.