Verse 89

قَالَ قَدْ أُجِيبَت دَّعْوَتُكُمَا فَٱسْتَقِيمَا وَلَا تَتَّبِعَآنِّ سَبِيلَ ٱلَّذِينَ لَا يَعْلَمُونَ

He said, I have answered the call from the two of you, therefore, you both shall be stern and do not follow the path of those who have not attained knowledge.