The 'height' of the ceiling is eight feet. [=the ceiling is eight feet above the floor; the ceiling is eight feet high]
It was 'the height of' stupidity to quit the team. [=it was extremely stupid to quit the team]
He was 'at the height of' his fame when he died. [=he died when he was most famous]
(..) All right, dude. Roger that. One extra crispy coming up! Stone Age man now had the muscle power... and mental power necessary to evolve to new heights. He then found the means to harness... an even greater energy source. The animals and creatures around him. Hmm. (..)2006 Tenacious D in the Pick of Destiny