photocopy and fax. It was about a large military ship exchanging messages with another seafarer when they noticed they were on a collision course. The military ship kept insisting that the other one — who must surely be of lesser clout — should change course.
The messages escalate as the big ship flexes its might and the underdog stands its ground, affirming that it’s not going to change course.
The punchline is that the little guy is a lighthouse.
The moral of the story is that no matter how strong and mighty one might be, some things are not up for debate.