Prayer
إِذَا دَخَلَ أَحَدُكُمُ الْمَسْجِدَ فَلَا يَجْلِسْ حَتَّى يُصَلِّيَ رَكْعَتَيْنِ
Translation
When any one of you enters the mosque, he should not sit down until he has prayed two rakats.
Narrator
Abu Qatadah
Source
Sahih Bukhari & Muslim
Bukhari 1163, Muslim 714

