From "John Silver's Return to Treasure Island: The Map (#1.1)"
[Joe has been captured
] Now fellow, let's hear what you have to say.
I fear you'll not get a word out of him, Trelawney.
A stubborn dog you think? But then you're a kindly and merciful sort of man, Livesey. I flatter myself that I on the other hand will succeed in losening his tongue!
That is precisely what you will not be able to do. He does not possess a tongue.