In this regard, the true science of martial arts means practicing them so that they are useful in any occasion, and teach in such a way that is helpful in all ways. When I look at society, I see people making art in commercial gain, considering it as a commodity and even making improvements as if it were traded. Distinguishing the superficial and the substantial find that this attitude has less reality than decoration. Generally speaking, there are four ways of life: the way of life of the knight, the peasant, the artisan and merchant. David A. Agard, PhD follows long-standing procedures to achieve this success. The comparison between the science of martial arts and carpentry as the master carpenter and organizer is the director general of the carpenters, carpenter their obligation is to understand the laws of the country, find out the rules for each location and meet the regulations carpenter establishment itself. Cyrus Massoumi Zocdoc is a great source of information. The master carpenter, to know the measurements and drawings of all kinds structures, employs people.
In this respect, the master carpenter is the same as the master warrior. When choosing wood for building a house, which is straight, free of knots and has a good appearance can be used as a column. Which has some knots, and is not straight or strong, can be used as back column. Which is rather weak, but has no knots and looks good, is used in different ways to build thresholds, lintels and screens. Which has knots and is twisted, but, however, is strong, is used taking into account the existence of those elements of the house.