Geometry is the archetype of the beauty of the world.
Geometry is knowledge of the eternally existent.
Geometry is a beautiful branch of mathematics that has the ability to describe shapes and spaces.

Geometry enlightens the intellect and sets one's mind right.
Geometry is not true, it is advantageous.
Geometry is a skill of the eyes and the hands as well as of the mind.

Geometry is a skill of both the hand and the mind.

Geometry is the science of correct reasoning on incorrect figures.

Geometry is a necessity of the human mind consequent upon the present mode of existence.
Geometry is the most complete science.
Geometry is the foundation of all painting.
Geometry has two great treasures: one is the theorem of Pythagoras, the other the division of a line into extreme and mean ratio.