Surah Al-Kahf, Verse 76

قَالَ إِن سَأَلۡتُكَ عَن شَيۡءِۭ بَعۡدَهَا فَلَا تُصَٰحِبۡنِيۖ قَدۡ بَلَغۡتَ مِن لَّدُنِّي عُذۡرٗا٧٦

qāla in sa-altuka ʿan shayin baʿdahā falā tuṣāḥib'nī qad balaghta min ladunnī ʿudh'ran

[Moses] said, "If I should ask you about anything after this, then do not keep me as a companion. You have obtained from me an excuse."