Al-Kāfi - Volume 2 > Abandonment and Desertion
Hadith #2

2ـ عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ وَمُحَمَّدُ بْنُ إِسْمَاعِيلَ عَنِ الْفَضْلِ بْنِ شَاذَانَ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ هِشَامِ بْنِ الْحَكَمِ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلام) قَالَ قَالَ رَسُولُ الله (صَلَّى اللهُ عَلَيْهِ وآلِه) لا هِجْرَةَ فَوْقَ ثَلاثٍ.

2. Ali ibn Ibrahim has narrated from his father and Muhammad ibn Isma’il from Fadl ibn Shadhan from ibn abu ‘Umayr from Hisham ibn al-Hakam from abu ‘Abd Allah (a.s.) who has said the following: “The Messenger of Allah has said, ‘(Due to) walking out on another person (separation) should not continue more than three days.’”