(6) باب مَا جَاءَ فِي إِعْلاَنِ النِّكَاحِ
Abu Al-Balj narrated from Muhammad bin Hatib Al-Jumahi who said that:
The Messenger of Allah said: "The distinction between the lawful and the unlawful is the Duff and the voice." (ES)
Reference (ES): Jami` at-Tirmidhi 1088 (ES)
In-book reference (ES): Book 11, Hadith 9 (ES)
English translation (ES): Vol. 2, Book 6, Hadith 1088 (ES)