(37) باب الأَمْرِ بِالصَّلاَةِ قَبْلَ الْجُلُوسِ فِيهِ
It was narrated from Abu Qatadah that the Messenger of Allah (ﷺ) said:
"When any one of you enters the Masjid, let him pray two Rak'ahs before he sits down." (DE)
Reference (DE): Sunan an-Nasa'i 730 (DE)
In-book reference (DE): Book 8, Hadith 43 (DE)
English translation (DE): Vol. 1, Book 8, Hadith 731 (DE)