that is because those who disbelieve follow falsehood while those who believe follow the truth from their lord. thus does allah set forth their parables for mankind.
ذلك بأن الذين كفروا اتبعوا الباطل وأن الذين آمنوا اتبعوا الحق من ربهم كذلك يضرب الله للناس أمثالهم