For thousands of years, the most taboo and mysterious must have been the chenyu or prophecies, but the form of divination most widespread among the common people even today is one which evolved from the chenyu: the qianshi or divination poems.
數千年下來，最隱諱神秘的可算讖語；而流傳至今最深入民間，遍及三教九流的，則莫過於讖語的流變﹘﹘籤詩。