84:16

فَلَا أُقْسِمُ بِالشَّفَقِ

Transliteration:

Fala oqsimu bialshshafaqi

Word by Word:

But nay! I swear by the twilight glow,

Translations:

BUT NAY! I call to witness the sunset's [fleeting] afterglow,

So I do call to witness the ruddy glow of Sunset;

Oh, I swear by the afterglow of sunset,

But nay, I call to witness the sunset redness,

So I swear by the twilight glow