老子

Laozi (Chinese: 老子; pinyin: Lǎozǐ; Wade–Giles: Laosi; also Lao Tse, Lao Tu, Lao-Tzu, Lao-Tsu, Laotze, Lao Zi, Laocius, and other variations) was a mystic philosopher of ancient China, and is a central figure in Taoism (also spelled "Daoism").