(21) باب مَا جَاءَ فِي فَضْلِ الصَّلاَةِ عَلَى النَّبِيِّ صلى الله عليه وسلم
Umar bin Al-Khattab [may Allah be pleased with him] said:
"No one should sell in our markets except one who has understanding in the religion." (JA)
Reference (JA): Jami` at-Tirmidhi 487 (JA)
In-book reference (JA): Book 3, Hadith 35 (JA)
English translation (JA): Vol. 1, Book 3, Hadith 487 (JA)