Why write a couplet with eight characters

Traditional culture couplets are generally odd numbers, couplets with eight words can be, couplets as long as the words on the oblique, the sound harmony, couplets meaning positive positive on the line.

The couplet requires that the number of words in the couplet should be equal, the phrases should be the same, the lexical nature should be the same, while the grammatical structure of the corresponding statements should be the same as possible, and the level and oblique should be adjusted to each other. Repeated words in the terminology of the couplet is called "clap", is taboo - after all, the couplet word count is limited, never allow a waste of ink.

Couplets are couplets written on paper, cloth or carved on bamboo, wood, pillars. Simple words with deep meaning, neat counterpoints, harmonized levels and oblique tones, the same number of words, the same structure, is a unique art form of the Chinese language.