Surah Yaseen, Verse 45
Translation — Sahih International
But when it is said to them, "Beware of what is before you and what is behind you; perhaps you will receive mercy... "
Source
Kur'an-ı Kerim, Yâsîn Suresi 36:45
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/36-suresi-45-ayet