وَإِذَا لَمْ تَأْتِهِم بِآيَةٍ قَالُوا لَوْلَا اجْتَبَيْتَهَا قُلْ إِنَّمَا أَتَّبِعُ مَا يُوحَى إِلَيَّ مِن رَّبِّي هَذَا بَصَائِرُ مِن رَّبِّكُمْ وَهُدًى وَرَحْمَةٌ لِّقَوْمٍ يُؤْمِنُونَ

When you do not bring them a sign, they say, ‘Why do you not improvise one?’ Say, ‘I only follow what is revealed to me from my Lord; these are insights from your Lord, and a guidance and mercy for a people who have faith.’