The Tractatus Theologico-Politicus or Theologico-Political Treatise was one of the most controversial texts of the early modern period. It was a preemptive defense of Spinoza's...

Ethics is perhaps the most ambitious attempt to apply the method of Euclid in philosophy. Spinoza puts forward a small number of definitions and axioms from which he attempts to...

This Treatise on the Emendation of the Intellect etc., which we give you here, kind reader, in its unfinished state, was written by the author many years ago now. He always...

"Ethics, Demonstrated in Geometrical Order (Latin: Ethica, ordine geometrico demonstrata), usually known as "The Ethics", is a philosophical treatise written by...