اَللّٰهُمَّ لَاعَيْشَ إِلَّاعَيْشُ الْاٰخِرَةِ ـ

Allaahumma laa ‘aysha illaa ‘ayshul-aakirah. [Anas ibn Malik. Sahih al-Bukhari #2741]

O Allah, there is no (real) life except that of the Hereafter.

The Prophet ﷺ said this when digging the trench in preparation for the Battle of the Trench. The Ansar were reciting:

نَحْنُ الَّذِينَ بَايَعُوا مُحَمَّدَا          عَلَى الْجِهَادِ مَا حَيِينَا أَبَدَا

And the Prophet ﷺ responded with:

اَللّٰهُمَّ لَاعَيْشَ إِلَّاعَيْشُ الْاٰخِرَةِ          فَأَكْرِمْ الْأَنْصَارَ وَالْمُهَاجِرَهْ

(Source: Khalid Baig’s transliteration, translation and commentary of du’aa #134 from the Accepted Whispers: Munajat-e-Maqbul)