Abstract: An axiom is a statement accepted as truth without proof.There are several axiomatic phenomena in linguistic intercourse of mankind.They are as follows:one's understanding of other's speaking doesn't mean that he or she can speak as well;one's understanding of other's writing doesn't mean that he or she can write as well;for everyone in life to understand other's speaking needs more words and expressions than to make his or her own speaking understood;for everyone in life to understand other's writing needs ...