John Stuart Mill,
Principles of Political Economy
(1871)
“ Or, lastly, there is another process by which, in England and other commercial countries, a large portion of the requisite supply of loans is obtained. Instead of its being afforded by persons not in business, the affording it may itself become a business. A portion of the capital employed in trade may be supplied by a class of professional money lenders. These money lenders, however, must have more than a mere interest; they must have the ordinary rate of profit on their capital, risk and all other circumstances being allowed for. ”
