يَومَ يَأتِ لا تَكَلَّمُ نَفسٌ إِلّا بِإِذنِهِ ۚ فَمِنهُم شَقِيٌّ وَسَعيدٌ

When that day arrives, no soul will speak except by His leave. Some will be miserable, while others will be happy.