Surah At-Tahrim (The Prohibition), Verse 6

یٰۤاَیُّهَا الَّذِیْنَ اٰمَنُوْا قُوْۤا اَنْفُسَكُمْ وَاَهْلِیْكُمْ نَارًا وَّقُوْدُهَا النَّاسُ وَالْحِجَارَةُ عَلَیْهَا مَلٰٓىِٕكَةٌ غِلَاظٌ شِدَادٌ لَّا یَعْصُوْنَ اللّٰهَ مَاۤ اَمَرَهُمْ وَیَفْعَلُوْنَ مَا یُؤْمَرُوْنَ ۟

Yaaa ayyuhal lazeena aamanoo qooo anfusakum wa ahleekum naaranw waqoodu han naasu wal hijaaratu 'alaihaa malaaa'ikatun ghilaazun shidaadul laa ya'soonal laaha maa amarahum wa yaf'aloona maa yu'maroon

“O ye who believe! save yourselves and your families from a Fire whose fuel is Men and Stones, over which are (appointed) angels stern (and) severe, who flinch not (from executing) the Commands they receive from Allah, but do (precisely) what they are commanded.”

Quran 66:6 (Yusuf Ali Translation)