The word(s) "endless" appears 2 time(s) in 2 verse(s) in Quran in Mohsin Khan translation.

(1) Truly, those who believe (in the Oneness of Allah, and in His Messenger Muhammad صلى الله عليه وسلم - Islamic Monotheism) and do righteous good deeds, for them will be an endless reward that will never stop (i.e. Paradise).

(سورة فصلت, Fussilat, Chapter #41, Verse #8)
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(2) And Verily, for you (O Muhammad صلى الله عليه وسلم) will be an endless reward.

(سورة القلم, Al-Qalam, Chapter #68, Verse #3)
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