Give 1 2 examples of ancient refined characters that have been passed down through the ages.

Xie Daowen, a poetess in the Eastern Jin Dynasty and the wife of Wang Ningzhi, is known as "a talented person who sings catkins". "Catkins rise because of the wind" makes Xie Daowen famous forever. The word "green" is in Wang Anshi's "Spring breeze is green in Jiang Nanan, when will the bright moon shine on me". Han Yu, Jia Dao's "bird stays in the tree by the pool, monk knocks on the door of the moon".