مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1596
Musnad Abu Ishaq Sa'd bin Abi Waqqas
It was narrated that Sa"d bin Abi Waqqas said: The Messenger of Allah (ﷺ) said: “The Hour will not begin until some people emerge who will eat with their tongues (words) as cattle eat with their tongues."
Musnad Ahmad 1597Hasan because of corroborating evidence and its isnad is da'