Summary
This quote suggests that with the development of modern technology and comforts, humans have become reliant on them to the point where they have lost their ability to rely on themselves and their own skills. The "coach" symbolizes the inventions and advancements that civilization has achieved, while "losing the use of his feet" implies the loss of natural instincts, self-reliance, and connection with the physical world. In essence, it criticizes the modern society for prioritizing convenience over self-sufficiency.