فَأَسْرِ بِأَهْلِكَ بِقِطْعٍ مِّنَ اللَّيْلِ وَاتَّبِعْ أَدْبَارَهُمْ وَلَا يَلْتَفِتْ مِنكُمْ أَحَدٌ وَامْضُوا حَيْثُ تُؤْمَرُونَ

Take your family in a watch of the night; and follow in their rear, and none of you should turn round, and proceed as you are bidden.’