Abu Sa'eed narrated that :Allah's Messenger said: "Whenyou hear the call (to prayer) then say the similar to what the Mu'adh-dhin says
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“Read in the name of your Lord who created.” 96:1
“My Lord, increase me in knowledge.” 20:114
“So remember Me; I will remember you.” 2:152
“Indeed, with hardship comes ease.” 94:6