Source
Sunan Ibn Majah
A collection of hadith compiled by Ibn Majah (824–887 CE), counted as the sixth of the six major hadith collections of Sunni Islam. It contains some reports graded weak, so each narration is assessed individually.
References
Quotes (1)
“Seeking knowledge is a duty upon every Muslim,”
— The Prophet Muhammad (narrated by Anas bin Malik), Sunan Ibn Majah 224; sunnah.com notes this opening phrase is authentic through many routes, the rest of the narration is weak and is not quoted