Chapter : The Statement of Allah the Exalted: "And we (angels) descend not except by the Command of your Lord (O Muḥammad pbuh). To Him belongs what is before us and what is behind us and what is between those two..." (V.19:64)

The Prophet (ﷺ) said to Gabriel, "What prevents you from visiting us more often than you visit us now?" So there was revealed:-- 'And we (angels) descend not but by the command of your Lord. To Him belongs what is before us and what is behind us...'(19.64)