The sharpest sword is Jueque, the most precious pearl is the night pearl, the most precious fruit is plums and breasts, and the most important vegetables are mustard and ginger.

This sentence comes from Zhou Xingsi, a writer in the Northern and Southern Dynasties. His work "Thousand Characters" reflects the ancient people's evaluation and values of different objects and their philosophy of life and aesthetic taste.

Qian Wen Zi is a famous Chinese character enlightenment textbook, which contains 1000 non-repetitive Chinese characters. In Qian, each sentence contains four independent, non-repetitive and meaningful words.