Literature Reference: 禹敷下土，方外大源。——《尚书·禹贡》 Yu spread the land afar, reaching the great source beyond. Source from 'Shangshu·Yu Gong'.
禹:
The name of an ancient figure, embodying deep blessings, prosperity, and good fortune.
源: Origin, the source of a river. It signifies the starting point, representing a high beginning in one's life journey.
Meaning: Yu's wisdom and perseverance bring forth a long-lasting source of prosperity.