Saad - 38:88

وَلَتَعْلَمُنَّ نَبَأَهُ بَعْدَ حِينٍ
[38:88]
And most certainly you will come to know about it after a 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.