Literature Reference: 君子以慎言语，节饮食。——《周易·颐卦》 The superior man is cautious in speech and temperate in eating and drinking. Source from 'The Book of Changes: Yi Hexagram'.
颐: Health is the essence of a beautiful life.
Meaning: Yi symbolizes self-cultivation and prudence, reflecting the virtue of nurturing oneself and being cautious in speech.