I think this story is from Spike Milligan:
The crusty, ill tempered old Colonel was enjoying his evening scrub in the bath when there was a gentle tap-tap on the door. It was his long-suffering manservant, Chivers.
“I am most sorry to bother you Colonel, especially during your ablutions, but I have a most urgent message for you from the General”, he said, nervously.
“Well slip it under the door, and I will be able to deal with it directly, and make it quick, my man”, said the Colonel.
There was a pause, and then the sound of much heaving and straining. Chivers spoke again, “I am sorry Colonel but I am having difficulty getting the message under the door”.
The short fused Colonel, annoyed at having his bathtime interrupted, replied, “Well blazes man, try a bit harder. You really are a most useless servant!”
There was more heaving and straining, and the bathroom door began to bulge and creak. Chivers spoke again, “I am sorry Sir, but I am encountering the greatest difficulty with this task”.
At this, the Colonel blew his top completely, leapt out of the bath, towelled up, and in a rage tore the bathroom door open.
There, just outside, was Chivers on his hands and knees. “Good grief man! What in Heaven’s name is going on? If you cannot even pass a simple message to me under the bathroom door, then I shall fire you first thing in the morning!”
At this, Chivers stood up, and looking very sheepish, said, “My profoundest apologies, Sir. I could not pass the message to you under the door because,
the message is in my head“.
There is a common misconception that you can pass on the message of Christ by words spoken or written or tapped out on a keyboard.
Christians have a much tougher problem than Chivers’ to solve.
Their important message to the world, is in their hearts.