Surah Ash-Shu'ara, ayah 187

فَأَسۡقِطۡ عَلَيۡنَا كِسَفٗا مِّنَ ٱلسَّمَآءِ إِن كُنتَ مِنَ ٱلصَّٰدِقِينَ ١٨٧

Fa asqit 'alaynā kisafam minas-samā'i in kunta minas-sādiqīn

So cause to fall upon us fragments of the sky, if you should be of the truthful."