Al-Infitaar - 82:18

ثُمَّ مَا أَدْرَاكَ مَا يَوْمُ الدِّينِ
[82:18]
Again, what will make you realize what the day of judgment Is?
Again, what will explain to thee what the Day of Judgment is?
Again, what will convey unto thee what the Day of Judgment is!