And he said to them: "Why would you choose to act in this way? Could you be ignorant that there is no one like me in the knowledge of discerning signs?
Other versions
King James Version
And Joseph said unto them, What deed is this that ye have done? wot ye not that such a man as I can certainly divine? English Standard Version
Joseph said to them, "What deed is this that you have done? Do you not know that a man like me can indeed practice divination?"New International Version
Joseph said to them, "What is this you have done? Don't you know that a man like me can find things out by divination?"