Qur'an 28:49

قُلْ فَأْتُوا۟ بِكِتَـٰبٍ مِّنْ عِندِ ٱللَّهِ هُوَ أَهْدَىٰ مِنْهُمَآ أَتَّبِعْهُ إِن كُنتُمْ صَـٰدِقِينَ

“Say, "Then bring a scripture from Allāh which is more guiding than either of them that I may follow it, if you should be truthful."”

Al-Qasas 28:49 · Saheeh International