Kitāb al-Muʾmin

Hadith 122
brotherhoodday-of-judgement
122 - وعن أبي إبراهيم الكاظم (ع) قال مَن فرَّجَ عن أخيه المسلم كُربةً فرّج الله عنه كُربة يوم القيامة.
122.It has been related that Abu Ibrahim Musa al-Kadim (a.s) said: One who One who relieves his Muslim brother of a distress, Allah will compensate him for it (by relieving him) of a distress on the Day of Resurrection.
Source: Ḥusayn b. Saʿīd al-Ahwāzī