Can a person know something they cannot prove?

Can a person know something they can't prove? I believe that a person can know some things without proving them while others need to be proved. It is a matter of what they claim to know and the perspective you take in analysing their proposition. I will discuss the possibility of knowing something without being able to prove it and also the possibility that if something can not be proven then the knower does not …showed first 75 words of 1207 total…

…showed last 75 words of 1207 total…ago everybody knew the earth was flat... Imagine what you'll know tomorow." (Columbia Tristar Home Video, Men in Black) Even though this quotation is from a fictional movie based on aliens and a secret organization called the Men in Black who protect the planet from them, I still feel it is quite applicable. This shows how perspective has affected knowledge since the begining of time. Things can be known without being proven thanks to perspective.