The Messenger of Allah, peace and blessings be upon him, said, "There is no Muslim who supplicates for his brother in his absence but that the angel says: And for you the same."
ﻗﺎﻝ ﺭﺳﻮﻝ ﷲ ﺻﻠﻰ ﷲ ﻋﻠﻴﻪ ﻭﺳﻠﻢ ( ﻣﺎ ﻣﻦ ﻣﺴﻠﻢ ﻳﺪﻋﻮ ﻷﺧﻴﻪ ﺑﻈﻬﺮ ﺍﻟﻐﻴﺐ ﺇﻻ ﻗﺎﻝ ﺍﻟﻤﻠﻚ ﻭﻟﻚ ﺑﺎﻟﻤﺜﻞ )