The Book on Human Nature at the outset draws a clear distinction between the timeless, truly "human" individuality of spiritual ancestry that is embodied in each mortal human life, and the material organism of the special animal with which the spiritual being unifies itself to spend its earthly lifetime in a troubled, but inseparable partnership.
The book sheds light both on the primal origin of human beings in their timeless spiritual nature and also on the causes leading to that spiritual being's physical incorporation. In this context, the creation narrative of Man preserved in Genesis is shown to be a fragment based upon objective insights into cosmic truth.
As the mortal human being encloses the conflicting energies of spiritual and animal desires, needs, and wills, the struggle for predominance between the two opposing forces cannot be avoided. The critical question, both for the human individual and, ultimately, for society at large, is whether the eternal essence in the human mortal gains the upper hand, or whether mortal man remains the thrall of his material instincts, and thereby forfeits all awareness of his spiritual nature.
To help the reader form objective concepts concerning mankind's origin, immortal essence, and eternal goal, the present book provides succinct and lucid guidelines
