Don’t take knowledge from a fool
Imaam Maalik bin Anas 179 AH said, لا تأخذ العلم من سفيه معلن بالسفه وإن كان أروى الناس “Do not take knowledge from a fool who is known for his foolishness, even if he narrates more than anyone.” Jaami lil Akhlaq ar-Rawi wa Adab as-Saami’ 1/139