Verily, Qarun (Korah) was of Musa's (Moses) people, but he behaved arrogantly towards them. And We gave him of the treasures, that of which the keys would have been a burden to a body of strong men. When his people said to him: "Do not be glad (with ungratefulness to Allah's Favours). Verily! Allah likes not those who are glad (with ungratefulness to Allah's Favours).