The Steamboat Skeptics

When Robert Fulton first showed off his new invention, the steamboat skeptics were crowded on the bank yelling, "It'll never start! It'll never start!" 

It did. It started with a lot of clanking and groaning. 

As the steamboat made it's way down the river, the skeptics were quiet. 

For one minute. Then they started shouting, "It'll never stop! It'll never stop!