الفرقان — Al-Furqan Ayat 33

وَلَا يَأْتُوْنَكَ بِمَثَلٍ اِلَّا جِئْنٰكَ بِالْحَقِّ وَاَحْسَنَ تَفْسِيْرًا ۗ

Wa lā ya'tūnaka bimaṡalin illā ji'nāka bil-ḥaqqi wa aḥsana tafsīrā(n).

"And they do not come to you with an argument except that We bring you the truth and the best explanation."