Surah Ash-Shu'ara — Ayah 187 (26:187)
فَأَسۡقِطۡ عَلَيۡنَا كِسَفٗا مِّنَ ٱلسَّمَآءِ إِن كُنتَ مِنَ ٱلصَّٰدِقِينَ ١٨٧
English translation (Saheeh International)
So cause to fall upon us fragments of the sky, if you should be of the truthful."
Brief commentary
“So if you are truthful in your claim, cause a piece of sky to fall upon us.”