In the name of Allah, Most Gracious, Most Merciful.
Narrated Abu Bakr (May Allah be satisfied with him): ‘I said to the Prophet (SAWS) while I was in the Cave: “If anyone of them looked around under his feet, he would see us.” The Prophet (SAWS) said: “O Abu-Bakr! What do you think of two (persons) the third of whom is Allah? (Bukhari)
SAWS: May Allah exalt his mention and protect him from imperfection
Riyaadiss-Saliheen (The Meadows of the Righteous) (Abridged)
By Imam An Nawawi Vol. (1)
Publisher: Dar Al-Manarah
Chapter 7, Page 168, Number 65