Labels:text | screenshot | font OCR: most important principles governing the conceptual organization of the entire codex. Generally speaking, the universal concerns that which endures forever, unchanging, like geometry-for instance, the underlying form of a perfectly round sphere is universal. The particular concerns the individual, physical manifestation of form in matter. Leonardo names two conditions that pertain to the universal watery sphere: all universal waters are without movement, and the boundaries of their surfaces are equidistant