Islamic calligraphy
The ceramic glaze writings with the symmetric Islamic calligraphy on the wall of his türbe are seen: "Lā-ʾIlāha-illā'al-Lāh" at right, and "Muhammadū'n-Rasulū'l-Lāh" at left, in the picture above; and Allah-Basmala-Muhammad from right to left.