They say that when the swallows leave, they will return, and when the peach blossoms fade, they will bloom again. But time, once gone, never comes back. So, young man in fine clothes astride a swift horse, will you cherish the present? Will you sit down, drink a pot of cool tea, and listen as I tell you about days gone by? (This book contains no harmful content. Do not imitate any dangerous actions. No copying without permission. Any plagiarism will be reported immediately.)