Geometry enlightens the intellect and sets one's mind right. All of its
proofs are very clear and orderly. It is hardly possible for errors to
enter into geometrical reasoning, because it is well arranged and orderly.
Thus, the mind that constantly applies itself to geometry is not likely
to fall into error. In this convenient way, the person who knows geometry
The Muqaddimah. An Introduction to History.
Take from all things their number and all shall perish.