Jami` at-Tirmidhi 2655
جامع الترمذي#2655Da'ifNarrated Ibn 'Umar:that the Prophet (ﷺ) said: "Whoever learns knowledge for other than (the sake of) Allah, or intends by it other than Allah, then let him take his seat in the Fire
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirDaif
Al-AlbaniDaif
Zubair Ali ZaiDaif
In-book reference: 41:11