A hadith like it has been narrated by Abu Huraira but for these words:" He (the man saying the prayer) does not know how much he has prayed
Opening the collection...
“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