Since the biggest truths are mostly ugly/disheartening, it actually turns out that: In any system of true propositions/theorems S, This is also known as the. Godel's repulsiveness
http://www.quora.com/Mathematics/Whatgeometricpa...

There are lots of geometric shapes. They include circles, parallelograms, trapezoids, triangles, and every other type of polygon imaginable.
http://www.ask.com/webanswers/Science/Mathematics...

crystals.
http://wiki.answers.com/Q/What_are_the_repeating_g...

Geometric patterns are a motif, pattern, or design depicting abstract,
http://www.chacha.com/question/whatareothertype...
