Well, some people still desire proof. Because someone graduated from Harvard and has a phd does not automatically mean that if he says a hippo can run faster than a deer then he must be right. And if an individual demands proof that this person show him how this hippo can run faster than a deer, does not make the person ignorant or dumb. Actually, it makes him pretty smart.
ReferenceSimpson, I. (2016). East Coast Blizzard Bids For Place In Washington DC History. Reuters. Retrieved from http://news.yahoo.com/powerful-snowstorm-threatens-u-east-coast-flights-canceled-003208484--finance.html?bcmt=1453477728821-063bab73-250e-4f65-807e-a9f33be27601