So cause to fall upon us fragments of the sky, if you should be of the truthful."
The Saheeh International Quran Translation
فَأَسْقِطْ عَلَيْنَا كِسَفًا مِّنَ ٱلسَّمَآءِ إِن كُنتَ مِنَ ٱلصَّٰدِقِينَSo cause to fall upon us fragments of the sky, if you should be of the truthful."