Beliefs are generalizations, feelings of certainty on the basis of events or references that we perceive & accept as true

You might believe something based on some past references, facts, opinions or assumptions. Our beliefs are driven by our generalizations about what we have learned could lead us to pain & pleasure. Our belief system is not necessarily correct. Interestingly, we are driven by our beliefs.

https://shrutivaibhav.wordpress.com/2020/04/06/how-to-empower-limiting-beliefs