A person's perception could be easily seen from how said person handled a matter.
Often, a person's perception could determine the scale of his stall and how big he could manage. It was often said that 'those with a wider perception must have the elegance of tolerance'.
If Listen had a wide perception, he would accept Fei Qianqiong.
Although Lin Yuan's current attitude toward Listen would not change regardless of whether he let Fei Qianqiong live or die, the wider Listen's perception was. Thus, the more Lin Yuan would be willing to put the resources to him for operation. He would even let Listen have comprehensive management of Sky City's external resources.
When Fei Qianqiong heard Lin Yuan's words, an abnormal fear crept up in his heart, and his body trembled. He had always felt that he was a king-class expert, after all.