From the MBTI Personality theory, the Rationals (NT) temperament has been found throughout the ages all the way back to Plato and perhaps even further back. But it stands against the question "So what?".  In my readings, I've found that the purpose of the rational mind is to make nature and society confluent with each other:  not for one to rule the other, but to bring them into balance.  This will require ingenuity plus much more.

    Many ideas for invention come from some sort of need. Sometimes ideas come from the pure mental exercise of manipulating the things used in our environment. The best inventions are the ones that are sold. Thomas Edison said that the sale of an invention is proof of its utility. And as such, its proof of value. In the free market economy, it's precisely these inventions that society needs.

    But where to find such ripe sources of invention? One idea is to sit and create like an artist would, but I think more practically, the books of law may yield more inspiration for invention.

    Take the parking meter for example.  In order to control the location of cars, parking meters had to be invented.  Not to mention the traffic lights and the systems that govern them.  In today's information age, the actual documentation of law has been reinvented from paper to very advanced forms of Internet programming.

    Laws are everywhere and some of them just might sound silly. But they exist, because the politicians aren't problem-solvers. These laws are written as last resorts to fixing problems in society. The rational mind is born with the gift of reason and logic so that these problems can be first solved with technology and not solved in law as a last resort.

    Technology has its own laws within. These laws govern the system and allow or deny certain actions to mitigate what is permissible and what is not. If technology is wisely devised and implemented, then many of the silly laws will not need to be in place. The high point of an invention is when society accepts the invention and repeals the moot law as a mark of confidence in the technology.