what is an example that long john silver was sly?

Silver was convincing as he encouraged Dick Johnson to join the pirates in Chapter Eleven. Only Jim sees through his slyness, as Sliver used the same techniques on him.

You may imagine how I felt when I heard this abominable old rogue addressing another in the very same words of flattery as he had used to myself. I think, if I had been able, that I would have killed him through the barrel.