كتاب التفسير
65  
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
(2)
The Statement of Allah the Exalted: "And (remember) when Mūsa (Moses) said to his boy-servant: 'I will not give up (travelling) until I reach the junction of the two seas or (until) I spend years and years in travelling." (V.18:60)
(2)
Sahih al-Bukhari 4731

Narrated Ibn `Abbas:

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)

حَدَّثَنَا أَبُو نُعَيْمٍ، حَدَّثَنَا عُمَرُ بْنُ ذَرٍّ، قَالَ سَمِعْتُ أَبِي، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنه ـ قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم لِجِبْرِيلَ ‏"‏ مَا يَمْنَعُكَ أَنْ تَزُورَنَا أَكْثَرَ مِمَّا تَزُورُنَا فَنَزَلَتْ ‏{‏وَمَا نَتَنَزَّلُ إِلاَّ بِأَمْرِ رَبِّكَ لَهُ مَا بَيْنَ أَيْدِينَا وَمَا خَلْفَنَا‏}‏‏"‏
Reference : Sahih al-Bukhari 4731
In-book reference : Book 65, Hadith 253
USC-MSA web (English) reference : Vol. 6, Book 60, Hadith 255
  (deprecated numbering scheme)