Qutayba bin Sa'id bin Jamil قتيبة بن سعيد بن جميل · Chapters on Knowledge

that the Messenger of Allah (ﷺ) said: "Indeed Allah does not take away knowledge by removing it from the people, but He takes away knowledge by taking the scholars, until there remains no scholar and the people begin to ask the ignorant leaders, so they give their verdict without knowledge. They will go astray and lead the people astray."

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."

that the Messenger of Allah (ﷺ) said: "Whoever lies upon me, then let him take his seat in the Fire."

"Two men were mentioned before the Messenger of Allah (ﷺ). One of them a worshiper, and the other a scholar. So the Messenger of Allah (ﷺ) said: 'The superiority of the scholar over the worshiper is like my superiority over the least of you.' Then the Messenger of Allah (ﷺ) said: 'Indeed Allah, His Angels, the inhabitants of the heavens and the earths - even the ant in his hole, even the fish - say Salat upon the one who…