Man Lā Yaḥḍuruh al-Faqīh
Hadith 305307 - وَقَالَ رَسُولُ اَللَّهِ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ: «لاَ يُطَوِّلَنَّ أَحَدُكُمْ شَارِبَهُ فَإِنَّ اَلشَّيْطَانَ يَتَّخِذُهُ مِجَنّاً يَسْتَتِرُ بِهِ.
Hadith.307 - The Messenger of Allah (sw) said:
"None of you should allow their moustache grow long, for Shaytan uses it as a shield to conceal himself”.