You must laugh at human stupidity

 You must laugh at human stupidity, greed, incompetence—even as you thwart it whenever possible.

View of William Deneau, a diver in the Eastland disaster recovery efforts, in the water near a tugboat in the Chicago River, Chicago, Illinois, circa August 28, 1915. They were searching for objects in the river from the overturned Eastland steamer. The Reid Murdoch Building and the Clark Street Bridge are visible in the background.
[Credit: DN-0065012, Chicago Daily News collection, Chicago History Museum 1915 Aug]