Al-Baqarah 26

۞ إِنَّ ٱللَّهَ لَا يَسْتَحْىِۦٓ أَن يَضْرِبَ مَثَلًا مَّا بَعُوضَةً فَمَا فَوْقَهَا ۚ فَأَمَّا ٱلَّذِينَ ءَامَنُوا۟ فَيَعْلَمُونَ أَنَّهُ ٱلْحَقُّ مِن رَّبِّهِمْ ۖ وَأَمَّا ٱلَّذِينَ كَفَرُوا۟ فَيَقُولُونَ مَاذَآ أَرَادَ ٱللَّهُ بِهَـٰذَا مَثَلًا ۘ يُضِلُّ بِهِۦ كَثِيرًا وَيَهْدِى بِهِۦ كَثِيرًا ۚ وَمَا يُضِلُّ بِهِۦٓ إِلَّا ٱلْفَـٰسِقِينَ

inna l-laha lā yastaḥyī an yaḍriba mathalan mā baʿūḍatan famā fawqahā fa-ammā alladhīna āmanū fayaʿlamūna annahu l-ḥaqu min rabbihim wa-ammā alladhīna kafarū fayaqūlūna mādhā arāda l-lahu bihādhā mathalan yuḍillu bihi kathīran wayahdī bihi kathīran wamā yuḍillu bihi illā l-fāsiqīna

Indeed, Allāh 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 Allāh intend by this as an example?" He misleads many thereby and guides many thereby. And He misleads not except the defiantly disobedient,