What does this mean? What is the next sentence of the wild crane in the cloud?

The next sentence in "Wild Crane in the Clouds" is: Why not fly?

Wild crane in the cloud, pinyin: [Xián yún yīhè]

1, meaning: a wild crane in the idle clouds, the same as "a lonely crane in the idle clouds". Idle: unrestrained. Floating clouds and wild cranes. Always refers to people who are idle and out of the world.

2. Source: Wen Songying's words in "Continued Records of Shan Ye, Hunan Province": "The country is also difficult to add, and the poem does not change. Why is the cloud wild crane flying not evil?"

3. Wen Ying: A native of Qiantang, Zhejiang Province in the Song Dynasty, he was a famous poet and monk who traveled all over the world. With Su Shunqin, Ouyang Xiu, Ding Weisong and others as poetry friends. He is the author of Records of Shan Ye in Hunan, Yuhu Tsinghua and Zhu Gongji.

Classic quotations from Wild Crane in the Cloud;

There are thousands of trees in the mountains, but it is hard to meet a centenarian in the world.

Don't speak out of turn, but don't persuade others. If you have no money, don't join the crowd. If you are in trouble, don't ask your relatives.

If you don't frown all your life, there should be no gnashing people in the world.

Scholars are the treasure of the country, while Confucianism is the treasure of the table.

If you want to give up drinking, it is intoxicating to wake up.