YUSUF — Ayat 42
وَقَالَ لِلَّذِي ظَنَّ أَنَّهُ نَاجٍ مِّنْهُمَا اذْكُرْنِي عِندَ رَبِّكَ فَأَنسَاهُ الشَّيْطَانُ ذِكْرَ رَبِّهِ فَلَبِثَ فِي السِّجْنِ بِضْعَ سِنِينَ
And he said to the one whom he knew would go free, "Mention me before your master." But Satan made him forget the mention [to] his master, and Joseph remained in prison several years.
Tafsir Ibnu Katsir
وَقَالَ لِلَّذِى ظَنَّ أَنَّهُ نَاجٍ مِّنْهُمَا اذْكُرْنِى عِندَ رَبِّكَ فَأَنْسَاهُ الشَّيْطَـنُ ذِكْرَ رَبِّهِ فَلَبِثَ فِى السِّجْنِ بِضْعَ سِنِينَ
42. And he said to the one whom he knew to be saved: â€Mention me to your king.'' But Shaytan made him forget to mention it to his master. So ï´¿Yusufï´¾ stayed in prison a few (more) years. Yusuf knew that the distiller would be saved. So discretely, so that the other man's suspicion that he would be crucified would not intensify, he said,