Al-A'raf 7:70

Qaloo aji/tana linaAAbuda Allahawahdahu wanathara ma kana yaAAbudu abaonafa/tina bima taAAiduna in kunta mina assadiqeen

They said, "Have you come to us that we should worship Allāh alone and leave what our fathers have worshipped? Then bring us what you promise us, if you should be of the truthful."

They said, “Have you come to us that we should worship Allah alone and give up what our fathers used to worship? Now, bring upon us that (scourge) with which you threaten us if you are one of the truthful.”