Graphology Character Diagram, and the Muller-Enskat Protokol are other psychogram methods. Psychologists Leopold Szondi, Augusto Vels, and Girolamo Moretti invented their personal schools of graphology. Four academic institutions offer an accredited degree in handwriting analysis: The majority of material in the field is oriented toward the Latin writing system. Courses offered in the subject reflect that bias. Every system of handwriting analysis has its own vocabulary. Even though two or more systems may share the same words, the meanings of those words may be different. The technical meaning of a word used by a handwriting analyst, and the common meaning is
What Is and What Should Never Be descending riff [of "What Is and What Should Never Be"] is amazing: It's like a bow is being drawn back, and then it releases. The rhythm of the vocals is almost like a rap. It's insane — one of their most psychedelic songs." This was also one of the first songs recorded by the band for which Robert Plant received writing credit. According to rock journalist Stephen Davis, the author of the Led Zeppelin biography "Hammer of the Gods: The Led Zeppelin Saga", the lyrics for this song reflect a romance Plant had with his wife's younger sister. "What Is