" Have you any Scotch blood in you, Parker?” inquired his colleague, bitterly. “Not that I know of,” replied Parker. “Why?” “Because of all the cautious, ungenerous, deliberate and cold-blooded devils I know,” said Lord Peter, “you are the most cautious, ungenerous, deliberate and cold-blooded. "

― Dorothy L. Sayers , Whose Body? (Lord Peter Wimsey, #1)