Surah Al-Hajj, ayah 8

وَمِنَ ٱلنَّاسِ مَن يُجَٰدِلُ فِي ٱللَّهِ بِغَيۡرِ عِلۡمٖ وَلَا هُدٗى وَلَا كِتَٰبٖ مُّنِيرٖ ٨

Waminan-nāsi man yujādilu fillāhi bighayri 'ilmin walā hudan walā kitābim munīr

And of the people is he who disputes about Allāh without knowledge or guidance or an enlightening book [from Him],