The News - 78:38
The Day will come when the Spirit and the angels will stand in rows. No one can speak except those whom the Most Merciful permits. And they will speak the truth.
Related:
Sheva/34:23
"Intercession avails nothing in His sight except that which He permits. Finally, when their fear is removed from their hearts, they say, "What did your Lord say?"They will say, "He has told the truth". He is the Most High, the Greatest."