Now, let’s play with a thought experiment. Suppose that I challenge this allegedly omniscient entity to prove his omniscience. He is a nice guy and is willing to prove that he is really omniscient, and does know the future. He will offer me a game, in which I will roll die, and he will predict the precise outcome. But I am a born skeptic, and will retort that even if he can predict the outcome, it may just be a lucky guess, so I challenge him to predict when the dice will be rolled, with which hand will I toss the dice, and a whole lot of special circumstances. If he is willing to do that, he is trapped. As soon as he makes the prediction, I will purposefully not do what he predicts. If he says that I will roll in exactly 3 minues, I will not roll in three minutes. If he predicts that I will roll with my right hand, I will deliberately roll with my left hand, etc… And he cannot prevent me, as long as I have the freedom to do whatever I want to do.
Therefore it seems that omniscience can only be true if the agent (me) is deprived of his free will. Strange, eh?