Abud-Darda' (May Allah be pleased with him)
reported: I heard the Messenger of Allah (PBUH) saying, "Whenever a Muslim supplicates for his (Muslim) brother in his absence, the angels say: 'May the same be for you too'."
ﻭﻋﻦ ﺃﹶﰊ ﻪ ﺃﻧ: ﺍﻟﺪﺭﺩﺍﺀ ﺭﺳﻮ ﹶﻝﻊﻤﺳ : ﺎ ﺍﷲ ﻳﻘﻮﻝﻣ ﻠﻢﹴﺴ ﻣﺪﺒﻦ ﻋ ﻣ ﻴﻪﻮ ﻷَﺧﻳﺪﻋ ﺐﹺ ﺇﹺﻻﻴﻬﺮﹺ ﺍﻟﻐ ﺑﹺﻈﹶ : ﻗﹶﺎﻝﹶ ﺍﳌﹶﻠﹶﻚ ﺜﹾ ﹴﻞ ﺑﹺﻤﻟﹶﻚﻭ ﺭﻭﺍﻩ ﻣﺴﻠﻢ