The Prophet sallallaahu ‘alayhi wa sallam said:
“This knowledge will be carried by the trustworthy ones of every generation. They will expel from it the alteration made by those going beyond bounds; the false claims of the liars and the false interpretations of the ignorant ones.”
Saheeh: Related by al-Bayhaqee in Sunanul-Kubraa (10/209), Ibn Abee Haatim in al-Jarh wat-Ta’deel (2/17) and Ibn ‘Abdil-Barr in at-Tamheed (1/57-58), from the Hadeeth of Ibraaheem ibn ‘Abdir-Rahmaan al-’Udharee radiallaahu ‘anhu. It was authenticated by Imaam Ahmad – as occurs in Sharafu Ashaabul-Hadeeth (p.29) of al-Khateeb al-Baghdaadee.