قالَ فَإِنَّها مُحَرَّمَةٌ عَلَيهِم ۛ أَربَعينَ سَنَةً ۛ يَتيهونَ فِي الأَرضِ ۚ فَلا تَأسَ عَلَى القَومِ الفاسِقينَ

[Allah] said, "Then indeed, it is forbidden to them for forty years [in which] they will wander throughout the land. So do not grieve over the defiantly disobedient people."