Group 1 - The essence of ice and snow symbolizes purity and high moral standards in Chinese literature, reflecting an eternal pursuit of clarity and transcendence [1][2] - The poem "A Piece of Ice Heart in a Jade Pot" expresses the poet's sincere wish for friends to understand his pure and upright character, using the imagery of ice and jade to represent purity and virtue [2][3] - The metaphor of "ice heart" and "jade pot" illustrates a dual purity and protection, emphasizing the poet's steadfastness and clarity of spirit [2][3] Group 2 - The phrase "ice posture has a仙风" highlights the natural elegance and transcendent quality of the subject, representing a character that is both pure and resilient [5][6] - The poem "Nian Nu Jiao: Over Dongting" conveys the poet's high moral integrity and grand spirit through the imagery of a clear moonlit lake, reflecting a deep connection between the individual and the universe [7][8] - The expression "liver and lungs are all ice and snow" signifies a complete internal purity and integrity, resonating with the theme of clarity and moral uprightness [8]