"Certainly, We have sent down to you a Book," meaning the Quran, "in which is your honor," meaning your nobility, for those who believe in it, "will you not then use your reason?" He says this to the polytheists.
Surah al-Anbiya (from verse 11 to verse 18).
﴿لقد أنزلنَا إِلَيْكُم كتابا﴾ الْقُرْآن ﴿فِيهِ ذكركُمْ﴾ فِيهِ شَرَفُكُمْ يَعْنِي: قُرَيْشًا لِمَنْ آمن بِهِ ﴿أَفلا تعقلون﴾ يَقُوله للْمُشْرِكين.
سُورَة الْأَنْبِيَاء من (آيَة ١١ آيَة ١٨).