Narrated `Umar bin Al-Khattab:By Him in Whose Hand my soul is, were I not afraid that the other Muslims might be left in poverty, I would divide (the land of) whatever village I may conquer (among the fighters), as the Prophet (ﷺ) divided the land of Khaibar. But I prefer to leave it as a (source of) a common treasury for them to distribute its revenue amongst themselves
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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