can an ordinary god predict future?

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At first I thought this was a coining of the phrase from philosopher Friedrich Nietzsche, but actually the opposite was true, he believed god existed and died in a literal sense – he believed god for unknown reasons tried and failed to create a companion, another God, in the void and exploded (probably borrowing from the Big Bang theory no doubt). He went on to say God's deceased remains (matter, energy etc) make up the cosmos.

so he created his own myth.. actually it reminds me of the story of Ymir, Scandinavian god of giants.
According to their myths world created by his remains (his bones became mountains etc..)