Ducky: What is it you want?
Ari: In due time... Doctor?
Ari: Like the famous English A4 steam locomotive.
Ducky: Most people think of water fowl.
Ari: Ah, the Mallard ran from London to Edinburgh for decades. In 1938... it attained a speed of over 200 kilometers an hour.
Ari: A world record, although the Germans claimed it was set on a slight downgrade. Typical.