Belief directs perception
Your take on things shapes how you react.
Beliefs act like filters, shaping what you notice, how you interpret events, and the actions you take next. When you believe you can grow, challenges look more like opportunities than threats. Trusting your ability to improve helps you stick with hard things longer because the mind frames obstacles as part of the process, not signs to quit. 
In everyday life, if you expect yourself to figure something out, your brain searches for solutions; if you assume you can’t, it shuts down early. The beliefs you hold become the stories your mind uses to navigate the world, shaping what feels possible.