However, Islamic calligraphy is not limited to strictly religious subjects, objects, or spaces. Like all Islamic art, it encompasses a diverse array of works created in a wide variety of contexts. The prevalence of calligraphy in Islamic art is not directly related to its non-figural tradition; rather, it reflects the centrality of the notion of writing and written text in Islam. It is noteworthy, for instance, that the Islamic prophet Muhammad is related to have said: "The first thing God created was the pen."