Volume 8, Book 76, Number 584:
Narrated Anas:
The Prophet said, “Some of my companions will come to me at my Lake Fount, and after I recog –
nize 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.”