The best deceptions are the ones that seems to give the other person a choice: Your victim feel they are in control but are actually your puppet. Give people options that come out in your favour whichever one they choose.

THE LIAR (An Armenian folk tale)

Once upon a time there was a king. Once he sent his trumpeters to all the parts of the country to announce to the people:Listen, people ! Who amongst you can tell a lie in the best way, the king will award that person with a golden apple !People from far and near came to the king’s court: kings, princes, and ministers, uncountable number of people, but neither of them could please the king.In the end a tattered poor man, came to the king, he had a jug in his hand.- What do you want? – asked the king.- May God give the king, strength and good health –said the poor man- I have come for my money: you owe me a jug full of gold.- You are telling a lie- answered the king-, I don’t owe you anything.- Am I lying ? Then give me the golden apple, if I am a liar.The king recognized the person’s cunningness, and started to defend himself.- No, you are not lying.- If I am not lying then pay me your debt (a jug full of gold)The king saw that the man had won; so he did not even say a word further, but he gave the golden apple to the poor man.