Literature Reference: 俭，德之共也；侈，恶之大也。—— 《左传》 Frugality is the foundation of virtue; extravagance is the root of evil. Source from 'Zuo Zhuan'.
俭: Thrift, no waste.
犁: The agricultural tools for tilling the land, including the plow and the plowshare.
Meaning: Frugality represents simplicity and thrift, while plowing symbolizes diligence and hard work, embodying a humble and industrious spirit.