But verbal symbols are always with the dormant capability to alter . You may point to basic Latin and Greek which are still being used in the academic field, or to the Talmud which has been kept for thousands of years by Jews. However, very much effort upon the part of scholarly or religious rationale is needed to keep them. It is impossible to enforce this practice upon all humanity daily. It seemed to help worldwide communication, but soon was considered too rigid and boring, halting creative expression.
All humanity is a potentially creative existence.
Allowing for variety and natural change is very important to keep the world lively or alive. The method which we allow anytime to change, we can't use as a basis of a universal measurement of image. An emotional, non-verbal voice is universally understandable and all humans have the same vocal organs. But each society has chosen the basic phonemes or syllables to create words. All words are abstract and not generally common.