Surah Sad 38:88

وَلَتَعْلَمُنَّ نَبَأَهُۥ بَعْدَ حِينٍۭ

And you will surely know [the truth of] its information after a time."

Translation: Saheeh International

Tafsir

And you will assuredly come to know O disbelievers of Mecca its tiding the news of its truth in due time’ that is to say on the Day of Resurrection ‘ilm ‘knowing’ is here being used in the sense of ‘urf ‘experience’; …

Excerpt from Tafsir al-Jalalayn, commentary on 38:88, via Quran.com. The reader has the full commentary and 9 more tafsirs.