﴿ لَقَدْ أَنزَلْنَآ إِلَيْكُمْ كِتَٰبًۭا فِيهِ ذِكْرُكُمْ ۖ أَفَلَا تَعْقِلُونَ ﴾

“[O MEN!] We have now bestowed upon you from on high a divine writ containing all that you ought to bear in mind will you not, then, use your reason?”

Please check ayah 21:15 for complete tafsir.