This idiom comes from Mencius' I Want Fish.
The idiom "Xanadu, nobody cares" comes from Tao Yuanming's Peach Blossom Garden.
The idiom "Everything is useless" originated from Fan Zhongyan's The Story of Yueyang Tower.
The idiom "The meaning of drunkenness is not in wine" comes from Ouyang Xiu's "Drunken Pavilion"
The idiom comes from Ouyang Xiu's Zuiweng Pavilion.
The idioms of "self-belittling" are all from Zhuge Liang's "A Teacher"
The idiom "I don't see you for three days" comes from a sentence of Sun Quan's exhortation to learn in Sima Guang's Zi Tong Zhi Jian.
Confusion comes from Mulan's poems.
Relaxed "Yueyang Tower"
Many kiss the baby for the nurse’s sake.
Born in sorrow, died in happiness.
Review old knowledge and learn new Analects of Confucius.