It is an eight-character idiom
It is also a proverb, but not a motto.
Time is like an arrow, the sun and the moon are like shuttles (guāng yīn sì jiàn, rì yuè rú suō)
Explanation: Time is as fast as an arrow shot out, and the sun and moon are like the threads on a loom The speed of the shuttle is just as fast. It means that time passes very quickly.
Source: "Zengguang Xianwen" ("Zengguang Xianwen" is also known as "Xianwen in the Past" and "Xianwen in Ancient and Modern Times"). The title of the book was first seen in the opera "The Peony Pavilion" during the Wanli period of the Ming Dynasty. , it can be inferred that this book was written during the Wanli period at the latest. Later, after continuous additions by literati in the Ming and Qing dynasties, it was changed into its current form, called "Zengguang Xianwen", commonly known as "Zengguang Xianwen". .
Time flies like an arrow
guāng yīn sì jiàn
〖Explanation〗Time flies like an arrow.
p>〖Source〗 Tang Dynasty Wei Zhuang's poem "In the Guanhe Road": "But when you see the time flowing like an arrow, how do you know that the way of heaven is as curved as a bow."
〖Example〗~, the sun and the moon are like It's been more than half a year. ★Ming Dynasty Feng Menglong's "Jingshi Tongyan" Volume 33
The sun and the moon fly by
rì yuè rú suō
〖 Explanation〗Shuttle: A tool for pulling weft threads when weaving. The sun and the moon come and go like a shuttle.
〖Source〗Zhao Delin of Song Dynasty, Volume 2: "Ziuwu, the sun, comes and goes like a shuttle."
〖Example〗I think this time is like water, ~.
★The fourth fold of Yuan·Zheng Tingyu's "The Story of Renzi"