Developing beliefs is challenging. We are certainly not born with them. Our family and surrounding humans help shape our beliefs. Our experience plays a role.
Then our beliefs get challenged by another person or experience. What do we do then?
We start to see things in a new light and beliefs may shift overtime, or sometimes suddenly.
We cannot avoid developing beliefs, but we will never have the full picture or full wisdom. Allowing beliefs to change doesn’t mean you were wrong before, just that you didn’t have all knowing wisdom. You still don’t, but maybe you are closer.