Lao Tzu : Tao Te Ching
Taoism is a diverse tradition indigenous to China, variously characterized as both a philosophy and a religion. Taoism emphasizes living in harmony with the Tao—generally understood as being the impersonal, enigmatic process of transformation ultimately underlying reality.
Lao-Tzu is the author of the Tao-Te-Ching during the early Warring States period, c. the 4th and 5th centuries BCE.
Here are some translations of the Texts
[PDF] http://tiny.cc/bnt6wz