قَدْ خَلَتْ مِن قَبْلِكُمْ سُنَنٌ فَسِيرُوا فِى ٱلْأَرْضِ فَٱنظُرُوا كَيْفَ كَانَ عَـٰقِبَةُ ٱلْمُكَذِّبِينَ

Qad khalat min qablikum sunanun faseeroofee al-ardi fanthuroo kayfa kanaAAaqibatu almukaththibeen

Similar situations [as yours] have passed on before you, so proceed throughout the earth and observe how was the end of those who denied.