Literature Reference: On the southern hills are the tai plants, on the northern hills the lai. Joyful is the noble man, the foundation of the state. Joyful is the noble man, may his life be endless. On the southern hills are the mulberry trees, on the northern hills the poplars. Joyful is the noble man, the glory of the state. Joyful is the noble man, may his life be boundless. On the southern hills are the qi trees, on the northern hills the plum trees. Joyful is the noble man, the parent of the people. Joyful is the noble man, his virtuous fame unceasing. On the southern hills are the kao trees, on the northern hills the niu trees. Joyful is the noble man, may he not grow old. Joyful is the noble man, may he protect his descendants. On the southern hills are the gou trees, on the northern hills the yu trees. Joyful is the noble man, may he not lose his eyebrows. Joyful is the noble man, his virtuous fame is abundant. On the southern hills are the kao trees, on the northern hills the niu trees. Joyful is the noble man, may he not grow old. Joyful is the noble man, may he protect his descendants. Source from 'The Book of Songs'.