38:88

وَلَتَعْلَمُنَّ نَبَأَهُ بَعْدَ حِينٍ

Transliteration:

WalataAAlamunna nabaahu baAAda heenin

Word by Word:

And surely you will know its information after a time."

Translations:

and you will most certainly grasp its purport after a lapse of time!"

"And ye shall certainly know the truth of it (all) after a while."

And ye will come in time to know the truth thereof.

And certainly you will come to know about it after a time.

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