Cheikh Anta Diop said this quote

By the Middle Ages… the introduction of the Trivium was well-known: SÂDI, an educated black from Tombouctou, author of the well-known work entitled, ‘Tarikh es-Soudan’ cites amongst the subjects that he mastered, logic, dialection, grammar, rhetoric, not to mention law and other disciplines...the long lists of subjects studied and the lettered African intellectuals who taught them at the University of Tombouctou…

~ Cheikh Anta Diop

The generation that followed did not have the same concerns; none of its members attempted to follow the example of the past generation. There was no longer anyone with the noble determination to get to know the great men of the world, or if there were some individuals consumed with this curiosity, they were few in number. From then on, there remained only vulgar minds given over to hatred, envy and discord, who took an interest only in things which did not concern them, gossip, slander, calumny of one's neighbors, all those things which are the source of the worst of our troubles.

~ Cheikh Anta Diop