The Pope, the Dalai Lama, and the Archbishop of Canterbury decide to go fishing, so they hire a boat and row out to the middle of the lake. However, it’s a very hot day and within an hour or two, all the beer is gone.
“Let’s row back to the shore and get a carry-out from the local pub,” says the Pope.
“No need for that,” says the Dalai Lama, and he steps over the side of the boat and walks across the surface of the water to the shore, then goes to the pub. Ten minutes later he’s back with more beer. He walks across the water to the boat and steps inside.
Half an hour later they’ve run out of beer again. This time the Pope says, “My turn!” He looks over the side of the boat, and a big smile appears on his face. Then he steps over and walks across the water to the shore. Ten minutes later he’s back with yet more beer. Again, he walks across the water to the boat.
Half an hour later and the beer is finished once more. The Archbishop steps over the side of the boat and instantly sinks below the surface. The other two drag him back aboard. As he lies coughing and spluttering in the bottom of the boat, the Pope says, “D’you think we should have told him about the stepping stones?”
And the Dalai Lama, confused, asks, “What stepping stones?”