Sahih Muslim | Book 32 | Chapter 39

Narrated by Abu Huraira
Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: When a person says that people are ruined he is himself ruined. Abu Ishaq said: I do not know whether he said "ahlakahum or ahlakuhum.

Narrated by Suhail
This hadith has been narrated on the authority of Suhail with the same chain of transmitters.