bn Mas’ūd said, “Learn knowledge before it is taken away, and it is taken away by the death of the scholars. Beware of going extremes and delving too deeply, and beware of innovations. Upon you is to adhere to the ancient affair.”
(See Ad-Dārimī with the explanation, Fathul-Mannān 2/115, Al-Musannaf of Abdur-Razzāq 11/252, Jāmi’ Bayān Al-‘Ilm wa Fadlihi 1/152, Al-‘Amr bil-Ittibā’ p. 59. Translated by Shaykh Abu Khadeejah Hafithahullah)