15:65
فَأَسْرِ بِأَهْلِكَ بِقِطْعٍ مِّنَ ٱلَّيْلِ وَٱتَّبِعْ أَدْبَـٰرَهُمْ وَلَا يَلْتَفِتْ مِنكُمْ أَحَدٌ وَٱمْضُوا۟ حَيْثُ تُؤْمَرُونَ
So set out with your family during a portion of the night and follow behind them and let not anyone among you look back and continue on to where you are commanded."
Context in Surah Al-Hijr
Nearby ayahs help place verse 15:65 in sequence and meaning.
قَالُوا۟ بَلْ جِئْنَـٰكَ بِمَا كَانُوا۟ فِيهِ يَمْتَرُونَ
They said, "But we have come to you with that about which they were disputing,
وَأَتَيْنَـٰكَ بِٱلْحَقِّ وَإِنَّا لَصَـٰدِقُونَ
And we have come to you with truth, and indeed, we are truthful.
وَقَضَيْنَآ إِلَيْهِ ذَٰلِكَ ٱلْأَمْرَ أَنَّ دَابِرَ هَـٰٓؤُلَآءِ مَقْطُوعٌ مُّصْبِحِينَ
And We conveyed to him [the decree] of that matter: that those [sinners] would be eliminated by early morning.
وَجَآءَ أَهْلُ ٱلْمَدِينَةِ يَسْتَبْشِرُونَ
And the people of the city came rejoicing.