Laozi (also Lao Tse, Laotze, Lao Zi, and other variations) was a philosopher of ancient China and an important figure in Taoism (also called Daoism). "Laozi" literally means "Old Master" and is generally considered an honorific. According to Chinese tradition, Laozi lived in the 6th century BC. Many historians contend that Laozi actually lived in the 4th century BC, concurrent with the Hundred Schools of Thought and Warring States Period, … Wikipedia