28:49
قُلْفَأْتُوا۟بِكِتَٰبٍمِّنْعِندِٱللَّهِهُوَأَهْدَىٰمِنْهُمَآأَتَّبِعْهُإِنكُنتُمْصَٰدِقِينَ٤٩
qul fatū bikitābin min ʿindi l-lahi huwa ahdā min'humā attabiʿ'hu in kuntum ṣādiqīna
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."(49)