The culmination of nearly fifteen years of philosophical reflection, The Ethics is an integrated system of thought comprehending physics, psychology, knowledge, ethics, and theology; and purporting to prove this system on the basis of geometrical demonstration.

A fascinating and accessible analysis of the works of the early-modern thinkers (Copernicus, Kepler, Galileo, Descartes, Hobbes, Gilbert, Boyle, and Newton) who developed the mechanical philosophy of nature which obtains to this day.

The Birth of Tragedy is one of the seminal philosophical works of the modern period. The theories developed in this relatively short text have had a profound influence on the philosophy, literature, music and politics of the twentieth century.

A series of speeches made at a supper party (a symposium) on the subject of love. The culminating speech is spoken by Socrates. The Symposium is one of Plato's greatest dialogues. Of all of them it tells the most vivid story and it gives the most arresting and the most detailed portrait of Socrates.