Theists: How can predetermined fate and free will coexist?

[robvalue]

He controls it because he set inevitable events in motion. We are puppets. We play out his plan. They can't be any different to how he instantly knows they will be. And he knew they would be, when he set it in motion.

Since he could have made any plan at all, every action I take has been specifically chosen in advance.

Unless he used some sort of random number generator in order to surprise himself. But then he'd presumably know the outcome of that too, even though that's another contradiction.

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Simple question: can I choose differently to what God knows I will ultimately choose, in any given situation? If he knows it, in advance, then it's a constant. It's one choice, one outcome. It can't vary as things go along, or else he didn't really know the final outcome in the first place.