A magic trick is created to amuse and mesmerize an audience who comes to the show knowing that all the tricks are not real and have fun because they cant figure out how the magic was done. You wont see a magician exposing magic mainly because telling how a magic was done is to kill the thrill and fun in watching them.
Magicians wanting to join a group of other magicians are required to give an oath to that effect. Never tell anyone who is not a magician the reason behind a trick and to never show a trick to anyone when you havent fully mastered it.
Once you gave your oath as a magician, it is expected that you will live up to your promise. Once you tell somebody and the organization found out about it, you may find yourself not receiving new tricks or that no one is teaching you how another trick is done.
Note though that you can tell it to somebody who is really willing to learn on how to be a magician. In fact you can see instruction videos and detailed instructions on sale in many shops. This is to help budding magicians into starting their careers or hobbies. Some of the tricks included in these instruction videos are common tricks and very easy to...