Every type of perfection is achieved. Perfection in the metal type is attained by gold, and it will be mentioned in the zakat on gold and paper based on half of the degree of perfection. The time period for achieving metallic perfection is thirty-six thousand years, and paper is eighteen thousand years, which is half the time of perfection, and all metals require The degree of perfection in order to achieve it, then problems arise along the way that prevent them from reaching the goal, so what leads from it to the goal is what is called gold, and whatever descends from this level for an illness that overcomes it, another name is given to it, such as silver, copper, asrab, tin, iron, and mercury .