(88) باب تَشْبِيكِ الأَصَابِعِ فِي الْمَسْجِدِ وَغَيْرِهِ
Narrated Abu Musa:
The Prophet (ﷺ) said, "A faithful believer to a faithful believer is like the bricks of a wall, enforcing each other." While (saying that) the Prophet (ﷺ) clasped his hands, by interlacing his fingers.
Reference: Sahih al-Bukhari 481
In-book reference: Book 8, Hadith 128
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 8, Hadith 468