This book is a translation of “The Code of Laozi” (“Tao Code” translated literally), written by Kazuki Chiga, originally published in Japanese in 2009. He visited an unexplored region associated with a wise man in China, Laozi, had unexpected experiences, and learned the Tao of Laozi. In this book, he tries to convey the Tao beyond the words, with the words based on his experiences.