Surah Al-Qamar (The Moon), Verse 27

اِنَّا مُرْسِلُوا النَّاقَةِ فِتْنَةً لَّهُمْ فَارْتَقِبْهُمْ وَاصْطَبِرْ 

Innaa mursilun naaqati fitnatan lahum fartaqibhum wastabir

“For We will send the she-camel by way of trial for them. So watch them, (O Salih), and possess thyself in patience!”

Quran 54:27 (Yusuf Ali Translation)