The ideal could not be represented however, simply by a kind identikit combination of features , no matter how well selected. Proportional relationships,call by the Greeks symmetria,were of fundamental importance,especially for fundamental. The fifty-century sculptor Polyclitus wrote a treatise on the subject and to illustrate it made a statue now known only from later copies. The treatise or Canon is lost, but the Roman physician Galen or Claudius Galenus wrote that according to the the Canon the beauty or perfection of a human figure arises not in the commensurability or symmetria of its constituent elements but in the commensurability of the parts such as that of finger to palm and wrist and of these to the foreararm and of the forearm to the upper arm and in fact of everything to everything else.