The Chapter of the Qibla
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 43
وَقَالَ اَلنَّبِيُّ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ: «كُلُّ وَاعِظٍ قِبْلَةٌ وَ كُلُّ مَوْعُوظٍ قِبْلَةٌ لِلْوَاعِظِ.
The Prophet, said: "Every preacher is a Qiblah, and every one being preached to is a Qiblah for the preacher."
- Ṣaḥīḥ al-Faqīh, p. 42