"Master Chen, how are you feeling these days" An old man dressed as a physician poked his head in and asked with a smile.,"It's nothing, I don't need that horse anyway. By the way, bring all the books from my study to my room. I need to review them again." Chen Xi shook his head and said. He also knew the value of the horse, but compared to the life-saving grace, he felt it was worth it, at least he could feel at ease.,Chen Xi carefully reviewed all the historical materials and finally determined one point: history had already begun to change during the Warring States period four hundred years ago.。