[In the Qur'an] faith is still defined the same as in the Bible, a belief in what is not seen. This explains why the remaining scripture relies on the logical fallacy of the circular argument routing back to the assumed conclusion. There is nothing that is indicated by evidence, nothing that is verifiably correct, just empty assertions of impossible nonsense that you're supposed to swallow without question simply because it says so.

Patheos - The Cow (January 22, 2016)