"Generally speaking creating enormous fortunes is a simply a side effect of what people really want to do, which is create enormous organizations. Most of these [wealthy] individuals had a vision about the way some activity ought to be done. In order, to make that vision a reality they created an organization to do it."

--Economics blogger Karl Smith on the decision of 40 billionaires to pledge half (or more) of their fortunes to charity. (Via The Browser.)