Surah At-Takathur 102:3
كَلَّا سَوْفَ تَعْلَمُونَ
No! You are going to know.
Translation: Saheeh International
Tafsir
No indeed! — a disavowal. You will come to know!
Excerpt from Tafsir al-Jalalayn, commentary on 102:3, via Quran.com. The reader has the full commentary and 9 more tafsirs.