In all arts we combine one material with another extraneous to it. Painting is not with paper on paper, and engraving is not with wood on wood. Even the manufacture of pottery is not with earth inside earth. Elements which are different from each other are mixed and fuse or mingle together to offer us each art from them, except in khayamiya, in which cloth is embroidered with cloth, and the material of embroidery – namely thread which is the origin of the cloth - joins what is embroidered with what embroiders, through magical steps which disappear to make way for the beauty of the final form that they achieve