Human Life

The author presents a wide-ranging examination of human existence, beginning with Earth's environment and geological time and proceeding to prehistoric conditions that shaped heredity and adaptation. He analyzes physical and biological limits of life, treats the aims and purposes that give human conduct direction, and discusses education, knowledge, religion, and ethics as complementary guides. Love and interpersonal bonds are considered alongside practical problems confronting the future. Throughout he urges an honest, evidence-based approach to origins and destiny, advocating sincerity and critical inquiry in forming personal and social values.