Rare Prayers
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 88
وَ سَأَلَهُ عُقْبَةُ بْنُ خَالِدٍ: عَنْ رَجُلٍ دَعَاهُ رَجُلٌ وَ هُوَ يُصَلِّي فَسَهَا فَأَجَابَهُ بِحَاجَتِهِ كَيْفَ يَصْنَعُ قَالَ «يَمْضِي عَلَى صَلاَتِهِ.
Uqbah ibn Khalid asked Him (Imam Abu Abdullah عليه السلام) about a man who was praying and another man called out to him, causing him to become distracted and respond to the person's request. What should he do? Imam عليه السلام said: "He should continue with his prayer."
- Ṣaḥīḥ al-Faqīh