Qur'an 28:49 · Al-Qasas

قُلْ فَأْتُوا۟ بِكِتَٰبٍۢ مِّنْ عِندِ ٱللَّهِ هُوَ أَهْدَىٰ مِنْهُمَآ أَتَّبِعْهُ إِن كُنتُمْ صَٰدِقِينَ

(49) 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."