Surah Al-An'am 6:37

وَقَالُوا۟ لَوْلَا نُزِّلَ عَلَيْهِ ءَايَةٌ مِّن رَّبِّهِۦ ۚ قُلْ إِنَّ ٱللَّهَ قَادِرٌ عَلَىٰٓ أَن يُنَزِّلَ ءَايَةً وَلَـٰكِنَّ أَكْثَرَهُمْ لَا يَعْلَمُونَ

And they say, "Why has a sign not been sent down to him from his Lord?" Say, "Indeed, Allāh is Able to send down a sign, but most of them do not know."

Translation: Saheeh International

Tafsir

And they the disbelievers of Mecca say ‘Why has a sign not been sent down to him from his Lord?’ a sign such as the she-camel of the prophet Sālih or the staff of Moses or the Table of Jesus. …

Excerpt from Tafsir al-Jalalayn, commentary on 6:37, via Quran.com. The reader has the full commentary and 9 more tafsirs.