(2) باب إِحْفَاءِ الشَّارِبِ
Ibn 'Umar said:
"The Messenger of Allah [SAW] said: 'Let the beard grow and trim the mustache.'" (JA)
Reference (JA): Sunan an-Nasa'i 5046 (JA)
In-book reference (JA): Book 48, Hadith 7 (JA)
English translation (JA): Vol. 6, Book 48, Hadith 5049 (JA)