Quran 43:56 from Surah Az-Zukhruf on Divine Marvels.
فَجَعَلۡنَٰهُمۡ سَلَفٗا وَمَثَلٗا لِّلۡأٓخِرِينَ
English translation: And We made them a precedent and an example for the later (generations)
Transliteration: faja'alnahum salafan wamathalan lil'akhirina