Sahih al-Bukhari 4510

Arabic

حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، حَدَّثَنَا جَرِيرٌ، عَنْ مُطَرِّفٍ، عَنِ الشَّعْبِيِّ، عَنْ عَدِيِّ بْنِ حَاتِمٍ ـ رضى الله عنه ـ قَالَ قُلْتُ يَا رَسُولَ اللَّهِ مَا الْخَيْطُ الأَبْيَضُ مِنَ الْخَيْطِ الأَسْوَدِ أَهُمَا الْخَيْطَانِ قَالَ ‏"‏ إِنَّكَ لَعَرِيضُ الْقَفَا إِنْ أَبْصَرْتَ الْخَيْطَيْنِ ‏"‏‏.‏ ثُمَّ قَالَ ‏"‏ لاَ بَلْ هُوَ سَوَادُ اللَّيْلِ وَبَيَاضُ النَّهَارِ ‏"‏‏.‏

English translation

Narrated `Adi bin Hatim:I said, "O Allah's Messenger (ﷺ)! What is the meaning of the white thread distinct from the black thread? Are these two threads?" He said, "You are not intelligent if you watch the two threads." He then added, "No, it is the darkness of the night and the whiteness of the day

Reference: Sahih al-Bukhari 4510, Book of Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh)). English translation by Dr. Muhammad Muhsin Khan.