Surah Ash-Shu'araa, Verse 137
إِنْ هَٰذَآ إِلَّا خُلُقُ ٱلْأَوَّلِينَ
Translation — Sahih International
This is not but the custom of the former peoples,
Source
Kur'an-ı Kerim, Şu'arâ Suresi 26:137
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/26-suresi-137-ayet