Adam Smith (6)

"To widen the market and to narrow the competition, is always the interest of the dealers... The proposal of any new law or regulation of commerce which comes from this order, ought always to be listened to with great precaution, and ought never to be adopted till after having been long and carefully examined, not only with the most scrupulous, but with the most suspicious attention", The Wealth of Nations, Book I, Ch.XI

Adam Smith