Narrated Qais:I came to Khabbab while he was building a wall, and he (Khabbab) said, "Our companions who have left this world, did not enjoy anything of their reward therein, while we have collected after them, much wealth that we cannot spend but on earth (i.e., on building)
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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