I just read Richard Dawkins book' the God delusion' and he says the following.
If God is omniscient (all knowing) he must already know how he is going to intervene to change the course of history using his omnipotence. ( being all powerful) But that means he can't change his mind about his intervention, which means he is not omnipotent.
If God is omniscient (all knowing) he must already know how he is going to intervene to change the course of history using his omnipotence. ( being all powerful) But that means he can't change his mind about his intervention, which means he is not omnipotent.