When you learn a method, you have to be able to know the knowledge. In the past, when you studied some information, you had to be able to do a better way so that you get the right method, because when you are trading, you have to know the knowledge first, don't trade if you don't use that knowledge, it will be very dangerous for you because that's when you decide to enter into the world of trading you should be able to know what knowledge or what method you can use to get trades