All the sciences came to exist in Arabic. The systematic works on them were written in Arabic writing.
Man is essentially ignorant, and becomes learned through acquiring knowledge.
Geometry enlightlens the intellect and sets one's mind right
Man is the child of customs, not the child of his ancestors.
Government is an institution which prevents injustice other than such as it commits itself.
At the beginning of a dynasty, taxation yields a large revenue from small assessments. At the end of the dynasty, taxation yields a small revenue from large assessments.