Hadith.5414 - Al-Sakuni narrated from Imam Jafar ibn Muhammad Al-Sadiq عليه السلام from his father, Imam Muhammad ibn Ali Al-Baqir عليه السلام, that Imam Ali ibn Abi Talib عليه السلام said:
"Whoever makes a will without being excessive or causing harm, it is as if he gave it in charity during his lifetime."