[By the end of the 6th century,] Meccan commerce was flourishing as never before, and the leaders in this trade [the Quraysh] had developed from mere merchants into true financiers. They were no longer interested in "buying cheap and selling dear," but also with organizing money and men to realize their commercial objectives. There was emerging, in short, a class of men with well-developed managerial and organizational skills. It was a development unheralded, and almost unique, in central Arabia.^[12]  In the words of Fred Donner: