Belief in God is rational.
Everything has a cause. So unless there is a first cause, then you would have an infinite regress. And then nothing could exist. Therefore there must be a first cause. Therefore God, the first cause, exists. QED.
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21.12.17
Aquinas was bringing down Avicenna's note on complex substance.
I was able to look at Thomas Aquinas on Aristotle and then I realized substance does not have to be simple. Aquinas was bringing down Avicenna's note on complex substance.
