Ash-Shu'ara 26:186

وَمَآ أَنتَ إِلَّا بَشَرٌ مِّثْلُنَا وَإِن نَّظُنُّكَ لَمِنَ ٱلْكَـٰذِبِينَ

Wamā anta illā basharun mith'lunā wa-in naẓunnuka lamina l-kādhibīna

You are but a man like ourselves, and indeed, we think you are among the liars.