Listening to speech for an artificial brain means "to image a sentence as much as possible from its words, content, and background", and introduce the concept of the means of realization (below). ①Image the contents of a sentence in a virtual field of view space based on the storage information of the middle and upper concepts of hierarchically stored images (recognition, cognitive information, etc.) for words, including "shared information with the other party" and "the situation around the conversation". ②Understand the will of the other party from words/emotions/tones and perform the actions you need. ③Acquire words and meanings for cognitive objects; Acquire the concept of time, and respond to them.