Literature Reference: The swallows fly, their wings uneven. This lady marries, sent far to the wilds. Gazing and not reaching, tears fall like rain. The swallows fly, soaring and diving. This lady marries, sent far away. Gazing and not reaching, standing long to weep. The swallows fly, their calls up and down. This lady marries, sent far to the south. Gazing and not reaching, truly troubles my heart. Zhongshi is virtuous, her heart deep and serene. Gentle and kind, cautious and careful in her conduct. Thinking of our late lord, to encourage me. Source from 'The Book of Songs'.