Translation of the verse 20 from Surah Al-Anbiya’ : Number of verses 112 - - page 323 - Part 17.
They (i.e. the angels) glorify His Praises night and day, (and) they never slacken (to do so).
They exalt [Him] night and day [and] do not slacken.
(21:20) they glorify Him night and day without taking rest.
Source : Al-Anbiya’ Verse 20: They exalt [Him] night and day [and] do not slacken.