Sahih al-Bukhari 3227

Arabic

حَدَّثَنَا يَحْيَى بْنُ سُلَيْمَانَ، قَالَ حَدَّثَنِي ابْنُ وَهْبٍ، قَالَ حَدَّثَنِي عُمَرُ، عَنْ سَالِمٍ، عَنْ أَبِيهِ، قَالَ وَعَدَ النَّبِيَّ صلى الله عليه وسلم جِبْرِيلُ فَقَالَ إِنَّا لاَ نَدْخُلُ بَيْتًا فِيهِ صُورَةٌ وَلاَ كَلْبٌ‏.‏

English translation

Narrated Salim's father:Once Gabriel promised the Prophet (that he would visit him, but Gabriel did not come) and later on he said, "We, angels, do not enter a house which contains a picture or a dog

Reference: Sahih al-Bukhari 3227, Book of Beginning of Creation. English translation by Dr. Muhammad Muhsin Khan.