The cold in the east corner is gone, and the mulberry is not too late (d not dōng yú yǐ shì, s ā s ā ng y ú f m: iw m: n ǐ n).

Explanation: East corner: refers to the origin of the sun, indicating the early years. Sang Yu: It means sunset, which means old age. The early years are gone forever. If you cherish time and make efforts, it's not too late to be old.

Source: Tang Wang Bo's Preface to Wang Tengting: "Although Beihai is on credit, it can be picked up; The east corner is gone, and the mulberry is not too late. "