Surah As-Saffat 37:179
وَأَبْصِرْ فَسَوْفَ يُبْصِرُونَ
And see, for they are going to see.
Translation: Saheeh International
Tafsir
and watch; for they will soon see — this statement is repeated in order to emphasise the threat made to them and to reassure the Prophet s.
Excerpt from Tafsir al-Jalalayn, commentary on 37:179, via Quran.com. The reader has the full commentary and 9 more tafsirs.