The width of the forehead or the shape of the nose is used to categorize personalities into "temperate" or "extreme" dispositions.

Historical perspectives on the "science of intuition" (Firasat). Website Kabupaten Indramayu (like English or Indonesian) or a of its main chapters? Fisiognomi Imam Syafii dalam Wirasat Sapii | PDF - Scribd

: Another version of the Terjemahan Kitab Firasat is also available for direct download.