Definition.com
Geometry is the purest realization of human reason; but Euclid's axioms cannot be proved. He who does not believe in them sees the whole building crash.
Geometry is the purest realization of human reason; but Euclid's axioms cannot be proved. He who does not believe in them sees the whole building crash.

Geometry is to be found in the humming of the harp strings just as there is music in the spacing of the spheres.

Geometry is irrefutable and -- God can make an ass with three tails, but not a triangle with four sides.