(At-Thakhveer) 81 : 23
وَلَقَدْ رَآهُ بِالْأُفُقِ الْمُبِينِ
And surely he has seen him in the manifest horizon.
This verse refers to the event when Messenger Muhammad saw Angel Jibreel for the first time at ‘Cave Hira’ as mentioned in verses 53: 7-10.