" Like all rich men, he had never before paid any attention to advertisements. He had never realized the enormous commercial importance of the comparatively poor. Not on the wealthy, who buy only what they want when they want it, was the vast superstructure of industry founded and built up, but on those who, aching for a luxury beyond their reach and for a leisure for ever denied them, could be bullied or wheedled into spending their few hardly won shillings on whatever might give them, if only for a moment, a leisured and luxurious illusion. "

― Dorothy L. Sayers , Murder Must Advertise (Lord Peter Wimsey, #8)