Quran 26:129 from Surah Ash-Shu'araa on Divine Marvels.
وَتَتَّخِذُونَ مَصَانِعَ لَعَلَّكُمۡ تَخۡلُدُونَ
English translation: And take for yourselves strongholds that you may live forever
Transliteration: watattakhidhuna masani'a la'allakum takhluduna