حَدَّثَنَا مُحَمَّدُ بْنُ كَثِيرٍ، قَالَ: أَخْبَرَنَا سُفْيَانُ، عَنْ أَبِي إِسْحَاقَ، عَنْ مُسْلِمِ بْنِ نَذِيرٍ قَالَ: اسْتَأْذَنَ رَجُلٌ عَلَى حُذَيْفَةَ فَاطَّلَعَ وَقَالَ: أَدْخُلُ؟ قَالَ حُذَيْفَةُ: أَمَّا عَيْنُكَ فَقَدْ دَخَلَتْ، وَأَمَّا اسْتُكَ فَلَمْ تَدْخُلْ. ¤ وَقَالَ رَجُلٌ: أَسْتَأْذِنُ عَلَى أُمِّي؟ قَالَ: إِنْ لَمْ تَسْتَأْذِنْ رَأَيْتَ مَا يَسُوؤُكَ.
It is narrated from Muslim bin Nazeer (may Allah have mercy on him), he said that a man sought permission from Sayyiduna Hudhaifah (may Allah be pleased with him), so he peeked in and said: "May I come in?" Sayyiduna Hudhaifah (may Allah be pleased with him) said: "Your eye has already entered, only your body remains (so what is the need for permission now?)"
And a man asked: "Should I seek permission even to go to my mother?" He replied: "If you do not seek permission, you may see something that you would dislike to see."