Sura 18 Al-Kahf (The Cave), aya 70

1. قَالَ فَإِنِ اتَّبَعْتَنِي فَلَا تَسْأَلْنِي عَنْ شَيْءٍ حَتَّىٰ أُحْدِثَ لَكَ مِنْهُ ذِكْرًا

   He said, "Then if you follow me, do not ask me about anything until I make to you about it mention."

   18:70

Tafsiri: Saheeh International