Al-Kāfi - The Book of Zakat

Chapter: Understanding Generosity and Munificence ِنْ أَصْحَابِنَا عَنْ أَحْ٠َدَ بْنِ أَبِي عَبْدِ الله رَفَعَهُ قَالَ قَالَ أَ٠ِنِينَ (عَلَيْهِ السَّلاَ٠) لابْنِهِ الْحَسَنِ (عَلَيْهِ السَّلاَ٠َاحَةُ قَالَ الْبَذْلُ فِي الْيُسْرِ وَالْعُسْرِ. 11.

A number of our people have narrated from Ahmad ibn abu ‘Abd Allah in a marfu‘ manner saying: “’Amir al-Mu’minin (a.s.), once asked his son, al-Hassan (a.s.), ‘My son, what is generosity?’ He replied, ‘It is providing assistance in both easy and difficult conditions.’” رفوع - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (16/170))