In Toward World Sovereignty, Taylor maintains that permanent world peace and the continuing progress of human evolution require that the nations of mankind come together soon to establish a single world democratic federal government. In the author's opinion, the increasing risk of human extinction that is directly associated with the relentless proliferation of nuclear weapons would appear to preclude any viable alternative considerations.

The philosophy of symbiosism designates the rational, and therefore universal, principles of human behavior for living together in peace, security, and happiness. The name has been coined by the author from the combination of three common terms: a prefix, "sym-," meaning "together"; a root and combining form, "bios," meaning "mode of life"; and a suffix, "-ism," meaning doctrine or adherence to a system of principles. The need for a common morality arises from the present ubiquitous condition and rapidly increasing awareness of mutual dependency among human beings. Symbiosism is synthesized...

In Ignes Fatui, Charles Thomas Taylor examines various misapprehensions and misconceptions that interfere with clear rational thought. The title of the book, a loanword from Medieval Latin, means "foolish fires"--lights that occasionally appear in the nighttime over marshy ground and are frequently attributable to the combination of gases emitted by decomposed organic matter. The term is sometimes used in modern times to suggest deceptive thoughts, goals, or hopes. The first four chapters of Ignes Fatui consider various common illusions that interfere with sound objective thought in society....