Scene: It's a fine sunny day in the forest, and a rabbit is sitting outside his burrow, tippy-tapping on his typewriter. Along comes a fox, out for a walk.

Fox: "What are you working on?"
Rabbit: "My thesis."
Fox: "Hmm . . . What is it about?"
Rabbit: "Oh, I'm writing about how rabbits eat foxes."
Fox: "That's ridiculous! Any fool knows that rabbits don't eat foxes!"
Rabbit: "Come with me and I'll show you!"

They both disappear into the rabbit's burrow. After a few minutes, gnawing on a fox bone, the rabbit returns to his typewriter and resumes typing. Soon a wolf comes along and stops to watch the hardworking rabbit.  

Wolf: "What's that you are writing?"
Rabbit: "I'm doing a thesis on how rabbits eat wolves."
Wolf: "You don't expect to get such rubbish published, do you?"
Rabbit: "No problem. Do you want to see why?"

The rabbit and the wolf go into the burrow and again the rabbit returns by himself and goes back to typing.

Finally a bear comes along and asks, "What are you doing?
Rabbit: " I'm doing a thesis on how rabbits eat bears."
Bear: "Well that's absurd!
Rabbit: "Come into my home and I'll show you"
As they enter the burrow, the rabbit introduces the bear to the lion.

Moral: IT DOESN'T MATTER HOW SILLY YOUR THESIS TOPIC IS. WHAT MATTERS IS WHO YOU HAVE FOR A SUPERVISOR.