Anyone entrusted with power will abuse it if not also animated with the love of truth and virtue, no matter whether he be a prince, or one of the people.
Profit in business comes from repeat customers, customers that boast about your project or service, and that bring friends with them.
During the Middle Ages they understood that words accompanied by imagery are much more memorable. By making the margins of a book colorful and beautiful, illuminations help make the text unforgettable. It's unfortunate that we've lost the art of illumination.