It's amazing to observe numerous dull beings with some illusion of knowledge around you. In their mind, they know that God exists, but even if it is not case that God exists, they would still believe it. In their mind, they know that some political ideologies express objectivity, but even if it is not case that these ideologies express objectivity, they would still believe them. In their mind, they know that some historical facts are true, but even if it is not case that these facts are true, they would still believe them. Whatever is in their mind is merely belief but not knowledge. The paradox of knowledge emerges when a person confuses knowledge with belief.
