(53) باب فِي الْحَوْضِ
Narrated Anas:
The Prophet (ﷺ) said, "Some of my companions will come to me at my Lake Fount, and after I recognize them, they will then be taken away from me, whereupon I will say, 'My companions!' Then it will be said, 'You do not know what they innovated (new things) in the religion after you."
Reference: Sahih al-Bukhari 6582
In-book reference: Book 81, Hadith 170
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 76, Hadith 584