Yeqianqiu is mostly used for some personalized signatures and does not mean much. The most commonly heard idiom is "One leaf knows autumn".

One leaf knows autumn, yī yè zhī qiū

Explanation: From the falling of a leaf, we know the arrival of autumn. It is a metaphor that through individual subtle signs, the development trend and results of the entire situation can be seen.

Source: "Huainanzi·Shuo Shan Xun": "Seeing a fallen leaf will tell you that the year is about to end." Tang Geng's "Wen Lu" of the Song Dynasty quoted a Tang Dynasty poem: "The mountain monk does not know how to count Jiazi. A fallen leaf tells the world about autumn.

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