Eternal Wisdom is composed of the essential wisdom highlights from Mr. Liu Zhankui, an enlightened Master of contemporary oriental wisdom and a spiritual practitioner of body-and-mind cultivation who has realized Dao through decades of body and mind cultivation. It is a life revelation to show people how to obtain the true overall health in both body and mind as well as how to be enlightened and realize the ultimate wisdom. The author expounded the truth of the Great Dao in such a teaching way that is typical in wisdom education culture - demonstrate hand-in-hand and teach heart-in-heart with numerous examples from the daily lives of ordinary people. Eternal Wisdom is a summary of the author's fundamental elaborations and down-to-earth disclosures on the truth of wisdom and life. The book integrated all of the author's valuable experiences in personal practice and self-realization. The practice methods coincide with the profound theories that are explained in a simple and heart-touching language. Eternal Wisdom is a rare wisdom guide for people to attain a free, happy, healthy and harmonious life. Book Three - The Wisdom of Life: we should learn how to face life and how to adapt ourselves in life. Everyone is inseparable from the basic necessities of life, and there are skills of wisdom hidden in the day-to-day interpersonal life. The hand-in-hand teaching and self-sharpening in life are the most valuable assets of our growth.