Hadith 115
ان من عبادي من لا يصلح ايمانه الا بالغني ولو افقرته لكفر وان من عبادي من لا يصلح ايمانه الا بالفقر ولو اغنيه لكفر
"There are some of My servants whose faith cannot remain correct without wealth, and if I make them poor, they would fall into disbelief. And there are some of My servants whose faith cannot remain correct without poverty, and if I make them wealthy, they would fall into disbelief."
