The Book of Asceticism · Hadith 58 (#Ḥadīth #32)
Chapter 2 | On Etiquette and Encouraging Others to do Good
عثمان بن عيسى عن سماعة عن أبي بصير والنضر عن عاصم عن أبي عبد الله عليه السلام في قول الله عز وجل: يؤتون ما أتوا وقلوبهم وجلة، قال: يعملون ويعلمون أنهم سيثابون عليه.
32.ʿUthmān ibn ʿĪsā narrated from Samāʿah, from Abū Baṣīr, from alNaḍr ibn ʿĀṣim, from Abū ʿAbdillāh who said regarding the verse: …who give whatever they give with their hearts fearful… (Q23:60), “They perform [good] deeds and know that they will be rewarded for it.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).