وَلَتَعْلَمُنَّ نَبَأَهُ بَعْدَ حِينٍ
“And you will come to know its truth after a time”
Imam Baqir (as) explained the verse, “And you will come to know its truth after a time”, by saying that this verse refers to the time of the rising of the Qaem (as). (Al Kafi volume 8 page 287)