308. hadíth
وَقَالَ اَلصَّادِقُ عَلَيْهِ اَلسَّلاَمُ: «مَنْ قَلَّمَ أَظْفَارَهُ يَوْمَ اَلْجُمُعَةِ ' لَمْ تَشْعَثْ أَنَامِلُهُ.
Imam Jafar ibn Muhammad Al-Sadiq (a.s) said: "Whoever trims their nails on Jumu’ah will not have disheveled fingertips."