حَدَّثَنَا بَيَانُ، قَالَ: حَدَّثَنَا يَزِيدُ، قَالَ: حَدَّثَنَا عَبْدُ الْمَلِكِ بْنُ أَبِي سُلَيْمَانَ، عَنْ عَطَاءٍ، عَنْ أَبِي هُرَيْرَةَ فِيمَنْ يَسْتَأْذِنُ قَبْلَ أَنْ يُسَلِّمَ قَالَ: لاَ يُؤْذَنُ لَهُ حَتَّى يَبْدَأَ بِالسَّلامِ.
Regarding the person who asks for permission to enter before he gives the greeting, Abu Hurayra said, "He is not given permission until he has first given the greeting."
Source: Al-Adab Al-Mufrad — repository translation · Imam Muhammad ibn Ismail al-Bukhari — authenticity/grade metadata requires independent source review · Sunnah.comAudio not available for the selected reciter.
Source: Al-Adab Al-Mufrad — repository arabic · Imam Muhammad ibn Ismail al-Bukhari · Sunnah.com