““we were on a dangerous collision course with that ship. The captain then called to the signalman, “Signal that ship: We are on a collision course, advise you change course 20 degrees.” Back came a signal, “Advisable for you to change course 20 degrees.” The captain said, “Send, I’m a captain, change course 20 degrees.” “I’m a seaman second class,” came the reply. “You had better change course 20 degrees.” By that time, the captain was furious. He spat out, “Send, I’m a battleship. Change course 20 degrees.” Back came the flashing light, “I’m a lighthouse.””