All the sciences came to exist in Arabic. The systematic works on them were written in Arabic writing.

Man is the child of customs, not the child of his ancestors.

Beyond [known peoples of black West Africa] to the south there is no civilization in the proper sense. There are only humans who are closer to dumb animals than to rational beings. They live in thickets and caves, and eat herbs and unprepared grain. They frequently eat each other. They cannot be considered human beings.

All the sciences came to exist in Arabic. The systematic works on them were written in Arabic writing.

Islam is under obligation to gain power over all nations.

Businesses owned by responsible and organized merchants shall eventually surpass those owned by wealthy rulers.

Throughout history many nations have suffered a physical defeat, but that has never marked the end of a nation. But when a nation has become the victim of a psychological defeat, then that marks the end of a nation.