21:20

يُسَبِّحُونَ اللَّيْلَ وَالنَّهَارَ لَا يَفْتُرُونَ

Transliteration:

Yusabbihoona allayla waalnnahara la yafturoona

Word by Word:

They glorify (Him) [the] night and [the] day, not they slacken.

Translations:

they extol His limitless glory by night and by day, never flagging [therein].

They celebrate His praises night and day, nor do they ever flag or intermit.

They glorify (Him) night and day; they flag not.

They glorify (Him) night and day: they flag not.

They exalt [Him] night and day [and] do not slacken.