You can't think what a lot I have learned already.
I'm to carry a green light to starboard and a red to port, with a white light at the mast-head, and a flare-up every fifteen minutes." "Oh, won't it look pretty at night!" cried her sister.
"And I know the fog-signals.

One blast means that a ship steers to starboard, two to port, three astern, four that it is unmanageable.

But this man asks such dreadful questions at the end of each chapter.

Listen to this: `You see a red light.

The ship is on the port tack and the wind at north; what course is that ship steering to a point ?'" The Doctor rose with a gesture of despair.