This second image shows a calligraphic design in stylized Square Kufic on a background made from a symmetric pattern.

The calligraphy says:

God is beautiful and loves beauty

This statement is a Hadith-- which means a saying of Prophet Muhammad.

The significance of beauty has been emphasized by creative persons in every field. Here are three statements -one from a poet, one from a mathematician and one from a brilliant physicist:-

Beauty is truth, truth beauty, - that is all
Ye know on earth, and all ye need to know.
~John Keats

Beauty is the first test: there is no permanent place in the world for ugly mathematics
~G.H.Hardy

Physical laws should have mathematical beauty
~P. Dirac