3rd Ayah from Surah Al Qalam
وَإِنَّ لَكَ لَأَجۡرًا غَيۡرَ مَمۡنُونٖ ٣
Wa 'Inna Laka La'ajrāan Ghayra Mamnūnin
And indeed, for you is a reward uninterrupted.
you will have a never-ending reward––
And verily, for you (O Muhammad SAW) will be an endless reward.
And you will definitely have a reward that will never end.
And lo! thine verily will be a reward unfailing.
Nay, verily for thee is a Reward unfailing: