Surah Ash-Shu'ara, ayah 154

مَآ أَنتَ إِلَّا بَشَرٞ مِّثۡلُنَا فَأۡتِ بِـَٔايَةٍ إِن كُنتَ مِنَ ٱلصَّٰدِقِينَ ١٥٤

Mā anta illā basharum mithlunā fa ti bi'āyatin in kunta minas-sādiqīn

You are but a man like ourselves, so bring a sign, if you should be of the truthful."