God cannot be all-knowing

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BL Peter.

In this specific case where God is speculated to exist and is all-knowing, lets all magnify that there's completely nothing beyond His knowledge, taking future into account.

In a logic sense, if future is known then there would be a fixed sequence of actions laid ahead. A simple example might says, God has the one answer, whether or not will one go to hell. If there's known future, then he is definitely going to obey it. As I am well aware of how this notion may sound to theists who firmly assured that one creates his own future, lets get into the details.

Neglect how and why, consider a situation where god could answer our question whether yes or no. In reality that wouldn't happen, but the point is as you have already agreed, God knows everything so he must have the absolute answer that EXCLUDES uncertainty. So when we ask if a random baby will grow up a murderer, God CAN NOT say "It depends to the baby". Why not? Because with that answer, God shows uncertainty. Is He insecure? God must have known the exact future. If He knows exactly then there's no uncertainty but a fixed future. Therefore it should be only 'yes' or 'no'. Consider the known future to be yes, then the baby must grow up to be a murderer. How could he appose the known future? The baby couldn't. This concludes that if there is an all-knowing deity, the idea of free will would be totally absurd. As simple as that.

The next point is that God cannot have any emotion. Now if we go through the major religions of the world, God(s) has/have always been pictured to be able to get mad, happy, unsatisfied, and many more humanlike emotions. The pure logic I'm trying to apply is, one cannot have emotion changes given that if he already knew about all the upcoming events that are yet to happen. Emotion changes only when new information come into our knowledge. If there's nothing left unknown, you cannot be 'surprised' to result in emotion changes. In case the notion is still unclear, lets procced to the analogies.

Pretend that you are about to open a present box, if you already knew the content of the box then it wouldn't be a surprise to see whats inside. You cannot be surprised anymore. As if you are lending a huge amount of money to a friend, but you know exactly that the friend would only run away with it, then you couldn't feel angry anymore when it finally happens. If you should, you would have felt it as early as you knew about it. Or instead, you'll only blame yourself for letting it to happen. Help yourself, know what emotion is, how does it change, then figure how emotion changes wouldn't occur to an all-knowing being. If you resist to agree, the option left is to assume that logic doesn't apply to God, you don't question God with logic, and that only means you are having faith based on fear, arrogance, or stupidity, most importantly without sincerity and honesty for not using your logic reasonings.

Do you really understand the notion you've wrapped all round your head? Something that is all-knowing? Perhaps this would turn out to be a little more harsh in your very own perspectives but lets welcome critical thinking right here. God cannot think. God cannot consider therefore he can't think. How about that?
Firstly, it is a fact that in order to think, we need to consider various factors consciously or not. Only then we get to reach the conclusion as the result of the considerations, which in a different note, influenced by our upbringing. So to think, you need to start without knowing the result of your consideration. That means, if everything is known then there's nothing left to consider. We also think when we want to predict. In relation to our centralized topic, thinking and being all-knowing are not coherent. That is a simple math. You think because you need a conclusion, you need it because you don't have it; you think because you need to add in your knowledge. You think because you don't know!

The reasoning used was based solely on logic arguments. If your apposing reason is that God cannot be compared to human, I didn't compare. I simply judged his humanlike characters you've claimed Him to have in the first place with logic alone. Thus the last straw is obvious, the tittle does really speak volumes. Check mate.