this is why cows shouldn't wash windows
once they are up the ladder they can't climb back down
(
Griffin Saver Something, something, 2006, something.,
Wed 17 Aug 2011, 13:01,
archived)
They can if they use their wings
(
Rebel biscuit stercore sumus et nos esse novimus,
Wed 17 Aug 2011, 13:10,
archived)