1. The flying dragon is in the sky. The ancients believed that "dragon" is an auspicious thing and the master of weather and rain.

2. Do not use hidden dragon. It is a metaphor that at the beginning of the development of things, although the momentum is good, it is relatively weak, so you should be careful and not act rashly.

3. The dragon has regrets, which means that people in high positions should guard against arrogance, otherwise they will fail and regret. Later, it was also described that arrogant people will inevitably bring disaster. It also means knowing how to advance and retreat.

4. A group of dragons without a leader means a group of dragons without a leader.

The above four idioms all come from the "Book of Changes". The "Book of Changes" is an ancient classic that explains the changes in everything in the world. It is a profound and profound dialectical philosophy book. It includes three Yi books, "Lianshan", "Guizang" and "Zhouyi". Among them, "Lianshan" and "Guizang" have been lost, and only "Zhouyi" is extant.

Extended information:

Allusions to the idiom "The dragon has regrets":

"The Book of Changes·Qian": "On the ninth day, the dragon has regrets."

It means that if the dragon flies to a place that is too high, it will regret it. People in high positions should guard against arrogance, otherwise they will fail and regret. Later, it was also described that arrogant people will inevitably bring disaster. It also refers to one form (the first form) of the Eighteen Dragon Subduing Palms, from "The Legend of the Condor Heroes" and "The Eight Parts of the Dragon".

The Qian Gua Yao position has reached the upper nine. In terms of the six Yao positions, it has reached the extreme position. There is no higher position to occupy. It stands alone and high, like a dragon rising on the clouds. , it has risen to the highest and most extreme place, looking around at a loss. It can neither improve nor descend, so it has become melancholy and regretful. This line, in terms of physics, will have the effect that everything must be reversed when it reaches its extreme.

In terms of human affairs, there will be a phenomenon of extreme happiness giving rise to sadness. Therefore, this idiom also refers to failure, tragedy or misfortune caused by people doing anything without careful consideration of the final outcome and consequences, as well as various possibilities and changes.

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