(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." (FR)
Reference (FR): Jami` at-Tirmidhi 487 (FR)
In-book reference (FR): Book 3, Hadith 35 (FR)
English translation (FR): Vol. 1, Book 3, Hadith 487 (FR)