مَا قَطَعۡتُمۡ مِّنۡ لِّيۡنَةٍ اَوۡ تَرَكۡتُمُوۡهَا قَآئِمَةً عَلٰ٘ي اُصُوۡلِهَا فَبِاِذۡنِ اللّٰهِ وَلِيُخۡزِيَ الۡفٰسِقِيۡنَ

Whatever you have cut down of [their] palm trees or left standing on their trunks - it was by permission of Allah and so He would disgrace the defiantly disobedient