Qur'an 18:76 · Al-Kahf

قَالَ إِن سَأَلْتُكَ عَن شَىْءٍۭ بَعْدَهَا فَلَا تُصَٰحِبْنِى ۖ قَدْ بَلَغْتَ مِن لَّدُنِّى عُذْرًۭا

(76) [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."