Verily, Qârûn (Qaroon) was from the people of Musa (Moses); But he acted rudely towards them: The treasures We had given to him were such that just their very keys would have been a burden to a group of strong men; "Remember", his (Qaroon’s) people said to him: "Do not feel overjoyed, because Allah does not love those who are joyful (in their wealth).