another route from Husayn. Abu Dawud (2/333), al-Hakim (4/171), and Ahmad as well (3/150) also narrated it through al-Mubarak ibn Fudalah, from Thabit, with the same report.
Al-Hakim said: “Its chain of transmission is authentic.” Al-Dhahabi concurred with him.
I say: Thus, in view of these corroborating reports, the hadith is undoubtedly authentic.
419 — “There will be people who eat with their tongues, just as a cow eats from the ground.”
Ahmad narrated it (1/175–176) from Yaʿla and Yahya ibn Saʿid. Yahya said: “A man—whose name I used to mention but have now forgotten—narrated to us from Umar ibn Saʿd, who said: ‘I had a request to make of Abu Saʿd.’” He also said: “Abu Hayyan narrated to us from Mujammiʿ, who said: ‘Umar ibn Saʿd had a request to make of his father, so before presenting his request, he prefaced it with some of the newly fashionable talk people use to attain their aims—talk his father had not heard before. When he had finished, he said: “My son, have you finished with your speech?” He replied, “Yes.” He said, “Since hearing this speech of yours, I have never been less disposed to grant your request, nor less inclined to help you. I heard the Messenger…”