There is no growth beyond the beliefs that are held. If a person attempts to accomplish something beyond their level of belief, the mind will quickly and automatically create ideas or reasons justifying why it can't be done, and those ideas will continue to flow until the project is abandoned. On the other hand, when a person or group believes something can be done the mind will begin creating ideas that will pave the path to accomplishment. The great secret of progress then lies in BELIEF. There we must ask and demand answers.
Consciously or not, there are existing lineages of families who have been using a specific success formula.