إِنَّ اللَّهَ لا يَستَحيي أَن يَضرِبَ مَثَلًا ما بَعوضَةً فَما فَوقَها ۚ فَأَمَّا الَّذينَ آمَنوا فَيَعلَمونَ أَنَّهُ الحَقُّ مِن رَبِّهِم ۖ وَأَمَّا الَّذينَ كَفَروا فَيَقولونَ ماذا أَرادَ اللَّهُ بِهـٰذا مَثَلًا ۘ يُضِلُّ بِهِ كَثيرًا وَيَهدي بِهِ كَثيرًا ۚ وَما يُضِلُّ بِهِ إِلَّا الفاسِقينَ

Indeed, Allah is not timid to present an example - that of a mosquito or what is smaller than it. And those who have believed know that it is the truth from their Lord. But as for those who disbelieve, they say, "What did Allah intend by this as an example?" He misleads many thereby and guides many thereby. And He misleads not except the defiantly disobedient,