Nahj al-Balāgha
Hadith 2199۳۳۵. وَقَالَ (عليه السلام): لِكُلِّ امْرِئٍ فِى مَالِهِ شَرِيكَانِ، الْوَارِثُ وَالْحَوَادِثُ.
335. Amīr al-mu’minīn, peace be upon him, said: There are two sharers in the property of every person — successors and accidents.