Core Viewpoint - The exhibition "A Journey Through Time - Xu Beihong Memorial Museum Collection of Xu Beihong, Qi Baishi, and Zhang Daqian" showcases the artistic relationship and mutual respect between renowned Chinese artists Xu Beihong and Qi Baishi, highlighting their correspondence and collaborative works [1]. Group 1: Artistic Correspondence - A letter from Xu Beihong to Qi Baishi expresses personal sentiments and includes a request regarding the preparation of a fish dish, showcasing their friendship and cultural practices [5]. - The letter is noted for its formal presentation, with Xu Beihong's signature adding a personal touch, indicating the importance of their relationship [3]. Group 2: Artistic Works - The artwork "Fighting Rooster" features inscriptions that reflect the artists' life circumstances, with Xu Beihong's hesitant strokes in candlelight contrasting with Qi Baishi's confident brushwork years later, symbolizing their artistic evolution [6][10]. - The painting "Galloping Horse" was created during a time of separation due to war, illustrating the emotional depth and connection between the two artists despite physical distance [8]. Group 3: Mutual Recognition - Qi Baishi's carved seal "A Friend with Gratitude" signifies the mutual respect and acknowledgment between the two artists, emphasizing their deep understanding of each other's work [10]. - The exhibition captures the essence of their friendship through the details in their artworks and inscriptions, allowing viewers to appreciate the historical context and emotional ties [12].