Al-Hijr - 48

﴿لَا يَمَسُّهُمْ فِيهَا نَصَبٌ وَمَا هُمْ مِنْهَا بِمُخْرَجِينَ﴾

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48. "No sense of fatigue shall touch them, nor shall they (ever) be asked to leave it."