Thomas Learns That The Pride Comes Before A Fall When He Shows Off To BoCo By Racing Fast Down The Wrong Track. Sir-topham-hatt's engines are proud of how useful they are, and they feel important, but none of them feels more important than Thomas. When BoCo Rolls Up To Him, Thomas warns him to not make him all lazy. BoCo Teases Thomas That He Would Not Know That Pulling Trucks Is A Lazy Job.