Surah Ash-Shu'ara 26:129

وَتَتَّخِذُونَ مَصَانِعَ لَعَلَّكُمْ تَخْلُدُونَ

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

Translation: Saheeh International

Tafsir

And you set up structures for extracting water underground that perhaps you might as though you will last forever therein and not die.

Excerpt from Tafsir al-Jalalayn, commentary on 26:129, via Quran.com. The reader has the full commentary and 9 more tafsirs.