Dalil
العربية

Quran Ad-Dukhan 44:14

ثُمَّ تَوَلَّوۡاْ عَنۡهُ وَقَالُواْ مُعَلَّمٞ مَّجۡنُونٌ

Translation

Then they turned away from him and said, "[He was] taught [and is] a madman."