The saying "Bingtan Brand" comes from "Bingtan does not speak, and the cold and heat are self-evident", which means that inner sincerity does not need to be expressed, but must be expressed in actions.
The phrase comes from "ice and charcoal are different tools", which means not to go along with worldly things.
The phrase "Liujin Zuoshi" comes from "Liujin Zuoshi", which means to describe the intense heat, as if gold and stone will melt.
Think of these three names first. If you are not satisfied, you can continue to ask. I will pick up the express first...