"Everything was created in 7 days"
"The Divine Right of Kings"
"Whites are superior to other 'Races' "
"The 'Upper Classes' are superior to the 'Lower Classes' "
The heavier-than-air flying machine is impossible
...the world will NOT run out of oil
... DDT is safe
...the paperless office
...no computer needs more than 640k of ram
..."I only need one telescope, and 6" is all the aperture I need !"
but the most laughable of all : "We will know all there is to know in the very near future".....