“It is impossible for a man to learn what he thinks he already knows.”
Everything you hear goes through your filters – that is how you view the world.
When you hear something new, you will often think it’s wrong – simply because it doesn’t match your past views. This is a sense-making action and it is useful. It is useful to be able to quickly make sense of things.
But when new ideas are presented, it’s important to consider that maybe there is some truth to them that doesn’t match your current thinking. To get the new ideal past your filter, it’s important to dispel belief – which may be stopping you from considering what’s been said.