Quran 72:9

وَأَنَّا كُنَّا نَقۡعُدُ مِنۡہَا مَقَـٰعِدَ لِلسَّمۡعِ‌ۖ فَمَن يَسۡتَمِعِ ٱلۡأَنَ يَجِدۡ لَهُ ۥ شِہَابً۬ا رَّصَدً۬ا ٩

" `We used to sit there in order to spy. Anyone who tries to listen is pursued by a powerful projectile.