the eight urges (drives, impulses) in life. We call them the dynamics. dynamics: there could be said to be eight urges (drives, impulses) in life, which we call dynamics. They are motives or motivations. We call them the eight dynamics. These are urges for survival as or through (1) self, (2) sex and family, (3) groups, (4) all mankind, (5) living things (plants and animals), (6) the material universe, (7) spirits, and (8) infinity or the Supreme Being. For more information on the dynamics, see the book Scientology: The Fundamentals of Thought by L. Ron Hubbard. —How To Live Though an Executive. Final approval 31.10.89