Al-Kāfi

Hadith 40
willrights
6- عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ هِشَامِ بْنِ سَالِمٍ وَحَفْصِ بْنِ الْبَخْتَرِيِّ وَحَمَّادِ بْنِ عُثْمَانَ عَنْ أَبِي عَبْدِ اللهِ (عَلَيْهِ السَّلام) قَالَ مَنْ أَوْصَى بِالثُّلُثِ فَلَمْ يَتَّرِكْ.
6. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from Hisham ibn Salim and Hafs ibn al-Bakhtariy and Hammad ibn ‘Uthaman who has narrated the following: “Abu ‘Abd Allah (a.s.), has said, ‘If one makes a will about one-third has not left any legacy.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī