وعن أبي الدرداء رضي الله عنه أنه سمع رسول الله صلى الله عليه وسلم يقول:
"ما من عبد مسلم يدعو لأخيه بظهر الغيب إلا قال الملك ولك بمثل"
Abud-Darda' (May Allah be pleased with him) reported:
I heard the Messenger of Allah (ﷺ) saying, "Whenever a Muslim supplicates for his (Muslim) brother in his absence, the angels say: 'May the same be for you too'."
[Muslim].
Reported by Muslim (No. 2732a). Cited in Riyad as-Salihin (No. 1494).