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