Surah Ash-Shu'ara, Verse 129

وَتَتَّخِذُونَ مَصَانِعَ لَعَلَّكُمۡ تَخۡلُدُونَ١٢٩

watattakhidhūna maṣāniʿa laʿallakum takhludūna

And take for yourselves constructions [i.e., palaces and fortresses] that you might abide eternally?