In their articles Krakovsky (2007) and Kimball and Smith (2013) revealed that if people believe in what they are doing and are convinced that they are able to achieve it, the result would be more impressive than for those who do not. A person's perception of personal abilities is directly linked to the success of their learning. This means that if you believe in yourself, you will deliver more effective work and learn faster. It has been proven that the brain mechanism is a flexible system that can be improved by different learning approaches. Authors Krakovsky (2007), Kimball and Smith (2013), and Zull (2004) described the human brain as an extensible area. That is to say, intelligence is not limited. In fact, intelligence is a “neurological process” Zull (2004) that can be improved through training. By practicing, a person with Krakovsky (2007) “growth mindset” (someone who is ready to put in the effort to achieve their goals) will create new connections